Development of a Patient-Reported Experience Measure Tool for Ambulatory Patients With Acute Unexpected Needs: The APEX Questionnaire.

Background: The aim of this study was to develop a patient-reported experience measure (PREM) for comparing the experience of care received by ambulatory patients with acute unexpected needs presenting in emergency departments (EDs), walk-in clinics, and primary care practices. Methods: The Ambulatory Patient EXperience (APEX) questionnaire was developed using a 5-phase mixed-methods approach. The questionnaire was pretested by asking potential users to rate its clarity, usefulness, redundancy, content and face validities, and discrimination on a 9-point scale (1 = strongly disagree to 9 = strongly agree). The pre-final version was then tested in a pilot study. Results: The final questionnaire is composed of 61 questions divided into 7 sections. In the pretest (n = 25), median responses were 8 and above for all dimensions assessed. In the pilot study, 63 participants were enrolled. Adjusted results show that access, cleanliness, and feeling treated with respect and dignity by nurses and physicians were significantly better in the clinics than in the ED. Conclusion: We developed a questionnaire to assess and compare experience of ambulatory care in different clinical settings.

A Pragmatic Approach to Identifying and Profiling Primary Care Clinicians and Primary Care Practices in the USA.

BACKGROUND: There are no consistent data on US primary care clinicians and primary care practices owing to the lack of standard methods to identify them, hampering efforts in primary care improvement. METHODS: We develop a pragmatic framework that identifies primary care clinicians and practices in the context of the US healthcare system, and applied the framework to the IQVIA OneKey Healthcare Professional database to identify and profile primary care clinicians and practices in the USA. RESULTS: Our framework prescribes sequential steps to identify primary care clinicians by cross-examining clinician specialties and organizational affiliations, and then identify primary care practices based on organization types and presence of primary care clinicians. Applying this framework to the 2021 IQVIA data, we identified 365,751 physicians with a primary specialty in primary care, and after excluding those who further specialized (24%), served as hospitalists (5%), or worked in non-primary care settings (41%), we determined that 179,369 (49%) of them were actually practicing primary care. We identified 287,506 nurse practitioners and 134,083 physician assistants and determined that 88,574 (31%) and 29,781 (22%), respectively, were delivering primary care. We identified 94,489 primary care practices, and found that 45% of them were with one primary care physician, 15% had two physicians, 12% employed nurse practitioners or physician assistants only, and 19% employed both primary care physicians and specialists. CONCLUSIONS: Our approach offers a pragmatic and consistent alternative to the diverse methods currently used to identify and profile primary care workforce and organizations in the USA.

Racial-Ethnic Composition of Primary Care Practices and Comprehensive Primary Care Plus Initiative Participation.

BACKGROUND: It remains unclear whether the racial-ethnic composition or the socioeconomic profiles of eligible primary care practices better explain practice participation in the Centers for Medicare and Medicaid Services' (CMS) Comprehensive Primary Care Plus (CPC+) program. OBJECTIVE: To examine whether practices serving high proportions of Black or Latino Medicare fee-for-service (FFS) beneficiaries were less likely to participate in CPC+ in 2021 compared to practices serving lower proportions of these populations. DESIGN: 2019 IQVIA OneKey data on practice characteristics was linked with 2018 CMS claims data and 2021 CMS CPC+ participation data. Medicare FFS beneficiaries were attributed to practices using CMS's primary care attribution method. PARTICIPANTS: 11,718 primary care practices and 7,264,812 attributed Medicare FFS beneficiaries across 18 eligible regions. METHODS: Multivariable logistic regression models examined whether eligible practices with relatively high shares of Black or Latino Medicare FFS beneficiaries were less likely to participate in CPC+ in 2021, controlling for the clinical and socioeconomic profiles of practices. MAIN MEASURES: Proportion of Medicare FFS beneficiaries attributed to each practice that are (1) Latino and (2) Black. KEY RESULTS: Of the eligible practices, 26.9% were CPC+ participants. In adjusted analyses, practices with relatively high shares of Black (adjusted odds ratio, aOR = 0.62, p < 0.05) and Latino (aOR = 0.32, p < 0.01) beneficiaries were less likely to participate in CPC+ compared to practices with lower shares of these beneficiary groups. State differences in CPC+ participation rates partially explained participation disparities for practices with relatively high shares of Black beneficiaries, but did not explain participation disparities for practices with relatively high shares of Latino beneficiaries. CONCLUSIONS: The racial-ethnic composition of eligible primary care practices is more strongly associated with CPC+ participation than census tract-level poverty. Practice eligibility requirements for CMS-sponsored initiatives should be reconsidered so that Black and Latino beneficiaries are not left out of the benefits of practice transformation.

Recruitment and retention of primary care practices in the Southeastern Collaboration to Improve Blood Pressure Control.

Background: Racial disparities related to hypertension prevalence and control persist, with Black persons continuing to have both high prevalence and suboptimal control. The Black Belt region of the US Southeast is characterized by multiple critical priority populations: rural, low-income, and minority (Black). Methods: In a cluster-randomized, controlled, pragmatic implementation trial, the Southeastern Collaboration to Improve Blood Pressure Control evaluated two multi-component, multi-level functional interventions - peer coaching (PC) and practice facilitation (PF) (separately and combined) - as adjuncts to usual care to improve blood pressure control in the Black Belt. The overall goal was to randomize 80 primary care practices (later reduced to 69 practices) in Alabama and North Carolina to one of four interventions: 1) enhanced usual care (EUC); 2) EUC plus PC; 3) EUC plus PF; or 4) EUC plus both PC and PF. Several measures to facilitate recruitment and retention of practices were employed, including practice readiness assessment. Results: Contact was initiated with 248 practices during the study enrollment period. Of these, 99 declined participation, 39 were ineligible, and 41 were being evaluated for inclusion when the target number of practices was reached. The remaining 69 practices eventually were enrolled, with 18 practices randomized to EUC, 19 to PC, 16 to PF, and 16 to PC plus PF. Only two practices (2.9%) were withdrawn during the study. Several facilitators of and barriers to practice recruitment and retention were identified. Conclusion: Our findings underscore the importance of a structured approach to recruiting primary care practices in a pragmatic implementation trial.ClinicalTrials.gov registration number NCT02866669.

The Association of Readmission Reduction Activities with Primary Care Practice Readmission Rates.

BACKGROUND: A great deal of research has focused on how hospitals influence readmission rates. While hospitals play a vital role in reducing readmissions, a significant portion of the work also falls to primary care practices. Despite this critical role of primary care, little empirical evidence has shown what primary care characteristics or activities are associated with reductions in hospital admissions. OBJECTIVE: To examine the relationship between practices' readmission reduction activities and their readmission rates. DESIGN, SETTING, AND PARTICIPANTS: A retrospective study of 1,788 practices who responded to the National Survey of Healthcare Organizations and Systems (fielded 2017-2018) and 415,663 hospital admissions for Medicare beneficiaries attributed to those practices from 2016 100% Medicare claims data. We constructed mixed-effects logistic regression models to estimate practice-level readmission rates and a linear regression model to evaluate the association between practices' readmission rates with their number of readmission reduction activities. INTERVENTIONS: Standardized composite score, ranging from 0 to 1, representing the number of a practice's readmission reduction capabilities. The composite score was composed of 12 unique capabilities identified in the literature as being significantly associated with lower readmission rates (e.g., presence of care manager, medication reconciliation, shared-decision making, etc.). MAIN OUTCOMES AND MEASURES: Practices' readmission rates for attributed Medicare beneficiaries. KEY RESULTS: Routinely engaging in more readmission reduction activities was significantly associated (P < .05) with lower readmission rates. On average, practices experienced a 0.05 percentage point decrease in readmission rates for each additional activity. Average risk-standardized readmission rates for practices performing 10 or more of the 12 activities in our composite measure were a full percentage point lower than risk-standardized readmission rates for practices engaging in none of the activities. CONCLUSIONS: Primary care practices that engaged in more readmission reduction activities had lower readmission rates. These findings add to the growing body of evidence suggesting that engaging in multiple activities, rather than any single activity, is associated with decreased readmissions.

Factors influencing implementation of personalized prevention plans among annual wellness visit patients using the theory of planned behavior: A quantitative study.

BACKGROUND: The Affordable Care Act provides Medicare Part B beneficiaries access to cost-free Annual Wellness Visits (AWVs). Patients receive health behavior recommendations from a Personalized Prevention Plan (PPP) during AWV encounters. AIMS: To identify factors clinical pharmacists can use to influence adoption of PPPs in primary care practices. METHOD: Utilizing a cross-sectional design, 77 Medicare patients (mean age 74.05 ±â€¯8.04 years) presenting for subsequent AWV completed a theory of planned behavior (TPB) based questionnaire at two primary care practices. RESULTS: 66.2% reported they were in the process of implementing PPPs and 51.9% reported implementing recommendations in the previous 12 months. TPB constructs accounted for 35.8% (p < .001) of the variation in intention, with subjective norm (SN) (ß = 0.359, p = 0.004) as the strongest determinant, followed by attitude (ß = 0.195, p = 0.093), and perceived behavioral control (PBC) (ß = 0.103, p = 0.384). Intention accounted for 27.1% of the variance for implementing PPPs and was not a significant determinant (ß = 0.047, p = 0.917). Addition of past behavior with TPB constructs significantly improved the predictability of the TPB model, accounted for 55% of the variation in intention (p < .001), and demonstrated a significant positive influence (ß = 0.636, p < 0.001) on future PPP implementations. DISCUSSION: This study demonstrates utility of the TPB in predicting implementation of PPPs. CONCLUSIONS: Clinical pharmacists positioned as providers of AWVs can strengthen intention to adopt PPPs by integrating referents into AWV processes, and evaluating past behavior trends to improve future PPP implementation.

Clinician Perspectives on the Benefits of Practice Facilitation for Small Primary Care Practices.

PURPOSE: Small independent primary care practices (SIPs) often lack the resources to implement system changes. HealthyHearts NYC, funded through the EvidenceNOW initiative of the Agency for Healthcare Research and Quality, studied the effectiveness of practice facilitation to improve cardiovascular disease- related care in 257 SIPs. We sought to understand SIP clinicians' perspectives on the benefits of practice facilitation. METHODS: We conducted in-depth interviews with 19 SIP clinicians enrolled in HealthyHearts NYC. Interviews were transcribed and coded using deductive and inductive approaches. To understand whether the perceived benefits of practice facilitation differ based on the availability of internal staff for quality improvement (QI), we compared themes pertaining to benefits between practices with 3 or fewer office staff vs more than 3 office staff. RESULTS: Clinicians perceived 2 main benefits of practice facilitation. First, facilitators served as a connection to the external health care environment for SIPs, often through teaching and information sharing. Second, facilitators provided electronic health record (EHR)/data expertise, often by teaching functionality and completing technical assistance and tasks. SIPs with more than 3 office staff felt that facilitators provided benefits primarily through teaching, whereas SIPs with 3 or fewer staff felt that facilitators also provided hands-on support. At the intersections of these benefits, there emerged 3 central practice facilitation benefits: (1) creating awareness of quality gaps, (2) connecting practices to information, resources, and strategies, and (3) optimizing the EHR for QI goals. CONCLUSIONS: SIP clinicians perceived practice facilitation to be an important resource for connecting their practice to the external health care environment and resources, and helping their practice build QI capacity through teaching, hands-on support, and EHR-driven solutions.

Extension for Community Healthcare Outcomes Uruguay: A New Strategy to Promote Best Primary Care Practice for Autism.

Introduction. In Uruguay, the special care required for children with neurodevelopmental disorders presents difficulties including lack of access to specialists and rehabilitation services. Project ECHO (Extension for Community Healthcare Outcomes) connects primary care clinicians from remote areas to specialists to enable them to treat complex conditions through ongoing education and mentoring. Objective. To share the experience of the ECHO Autism program during the first 2 years of implementation. Methods. Analysis of ECHO Autism clinics from June 2015 to June 2017 including clinical cases presented participants' self-perception of changes in skills and competences. Results. Twenty clinical cases were presented: mean age 4.5 years; 15 were males; and 17 with medical and psychiatric comorbidities. After ECHO Autism implementation, a statistically significant improvement in participants' self-perception of skills and competences was observed. Conclusions. ECHO Autism in Uruguay is a meaningful approach to autism care and offers improved access to best practice care.

Quality of Cardiovascular Disease Care in Small Urban Practices.

PURPOSE: We wanted to describe small, independent primary care practices' performance in meeting the Million Hearts ABCSs (aspirin use, blood pressure control, cholesterol management, and smoking screening and counseling), as well as on a composite measure that captured the extent to which multiple clinical targets are achieved for patients with a history of arteriosclerotic cardiovascular disease (ASCVD). We also explored relationships between practice characteristics and ABCS measures. METHODS: We conducted a cross-sectional, bivariate analysis using baseline data from 134 practices in New York City. ABCS data were extracted from practices' electronic health records and aggregated to the site level. Practice characteristics were obtained from surveys of clinicians and staff at each practice. RESULTS: The proportion of at-risk patients meeting clinical goals for each of the ABCS measures was 73.0% for aspirin use, 69.6% for blood pressure, 66.7% for cholesterol management, and 74.2% screened for smoking and counseled. For patients with a history of ASCVD, only 49% were meeting all ABC (aspirin use, blood pressure control, cholesterol management) targets (ie, composite measure). Solo practices were more likely to meet clinical guidelines for aspirin (risk ratio [RR] =1.17, P =.007) and composite (RR=1.29, P = .011) than practices with multiple clinicians. CONCLUSION: Achieving targets for ABCS measures varied considerably across practices; however, small practices were meeting or exceeding Million Hearts goals (ie, 70% or greater). Practices were less likely to meet consistently clinical targets that apply to patients with a history of ASCVD risk factors. Greater emphasis is needed on providing support for small practices to address the complexity of managing patients with multiple risk factors for primary and secondary ASCVD.

Engaging Primary Care Practices in Studies of Improvement: Did You Budget Enough for Practice Recruitment?

PURPOSE: The methods and costs to enroll small primary care practices in large, regional quality improvement initiatives are unknown. We describe the recruitment approach, cost, and resources required to recruit and enroll 500 practices in the Northwest and Midwest regional cooperatives participating in the Agency for Healthcare Research and Quality (AHRQ)-funded initiative, EvidenceNOW: Advancing Heart Health in Primary Care. METHODS: The project management team of each cooperative tracked data on recruitment methods used for identifying and connecting with practices. We developed a cost-of-recruitment template and used it to record personnel time and associated costs of travel and communication materials. RESULTS: A total of 3,669 practices were contacted during the 14- to 18-month recruitment period, resulting in 484 enrolled practices across the 6 states served by the 2 cooperatives. The average number of interactions per enrolled practice was 7, with a total of 29,100 hours and a total cost of $2.675 million, or $5,529 per enrolled practice. Prior partnerships predicted recruiting almost 1 in 3 of these practices as contrasted to 1 in 20 practices without a previous relationship or warm hand-off. CONCLUSIONS: Recruitment of practices for large-scale practice quality improvement transformation initiatives is difficult and costly. The cost of recruiting practices without existing partnerships is expensive, costing 7 times more than reaching out to familiar practices. Investigators initiating and studying practice quality improvement initiatives should budget adequate funds to support high-touch recruitment strategies, including building trusted relationships over a long time frame, for a year or more.

A systematic review of lifestyle counseling for diverse patients in primary care.

Prior research and systematic reviews have examined strategies related to weight management, less is known about lifestyle and behavioral counseling interventions optimally suited for implementation in primary care practices generally, and among racial and ethnic patient populations. Primary care practitioners may find it difficult to access and use available research findings on effective behavioral and lifestyle counseling strategies and to assess their effects on health behaviors among their patients. This systematic review compiled existing evidence from randomized trials to inform primary care providers about which lifestyle and behavioral change interventions are shown to be effective for changing patients' diet, physical activity and weight outcomes. Searches identified 444 abstracts from all sources (01/01/2004-05/15/2014). Duplicate abstracts were removed, selection criteria applied and dual abstractions conducted for 106 full text articles. As of June 12, 2015, 29 articles were retained for inclusion in the body of evidence. Randomized trials tested heterogeneous multi-component behavioral interventions for an equally wide array of outcomes in three population groups: diverse patient populations (23 studies), African American patients only (4 studies), and Hispanic/Mexican American/Latino patients only (2 studies). Significant and consistent findings among diverse populations showed that weight and physical activity related outcomes were more amenable to change via lifestyle and behavioral counseling interventions than those associated with diet modification. Evidence to support specific interventions for racial and ethnic minorities was promising, but insufficient based on the small number of studies.

Relação do paciente com o serviço em Unidades Básicas de Saúde sob a óptica dos médicos e dos pacientes / Doctors' and patients' views of patients' relationship with primary care practice services / Relación del paciente con los servicios en las Unidades Básicas de Salud de acuerdo con la visión de los médicos y de los pacientes

Objetivo: discutir aspectos relacionados à relação do paciente com o serviço em Unidades Básicas de Saúde sob a óptica dos médicos e dos pacientes, avaliando as suas expectativas e relacionando-as à subjetividade que permeia a prática médica. Métodos: estudo qualitativo desenvolvido por meio de entrevistas estruturadas e aplicadas a médicos e pacientes de oito Unidades Básicas de Saúde do município de Palmas (TO). Resultados: muitos pacientes não têm suas expectativas satisfeitas e grande parte dessa insatisfação tem por origem problemas na relação médico-paciente. De modo geral, o médico valoriza a evolução clínica e o tratamento instituído e preocupa-se com aspectos operacionais do seu trabalho, ao passo que o paciente tem expectativas ligadas a aspectos mais subjetivos, inseridos dentro de variáveis psicossociais, necessidades muitas vezes negligenciadas pelo médico. Conclusão: o trabalho aponta, diretamente, para a necessidade de estabelecer condições que favoreçam o surgimento de uma boa relação profissional-paciente, sem a qual não há recuperação plena da saúde e, indiretamente, para a importância dessa discussão em relação à formação acadêmica, deixando evidente a necessidade de se trabalhar competências e habilidades dentro desse aspecto.

Objective: the objective of this study was to discuss patients' relationship with health services from the viewpoint of doctors and patients, considering the expectations of both parties and the subjectivity that permeates medical practice. Methods: data for this qualitative study were collected through structured interviews with doctors and patients from eight primary health care units in the city of Palmas, Tocantins. Results: the expectations of many patients were not satisfied due to problems in the relationships with their doctors. Generally, doctors overestimated clinical evolution and instituted treatment that was focused on the operational aspects of their work, whereas patients had more subjective expectations relating to psychosocial variables that were disregarded by the doctors. Conclusion: this study indicates that there is a need to establish conditions that promote good relationships between doctors and patients, and that this is essential to the patients' full health recovery. The results also suggest that it is very important for medical schools to provide future health care professionals with skills to better deal with the human aspects of their practice.

Objetivo: discutir los aspectos relacionados a la relación de los pacientes con el servicio de salud bajo la óptica de los médicos y de los pacientes, evaluando sus expectativas, teniendo en consideración la subjetividad que intervienen la práctica médica. Métodos: estudio cualitativo desarrollado por medio de entrevistas estructuradas y aplicadas a médicos y a pacientes de ocho Unidades Básicas de Salud de la municipalidad de Palmas (TO). Resultados: muchos pacientes no tienen sus expectativas satisfechas y gran parte de esta insatisfacción tiene por origen problemas en la relación médico-paciente. De una manera general, el médico valoriza la evolución clínica y el tratamiento instituido y se preocupa con los aspectos operacionales de su trabajo al paso que el paciente tiene expectativas que están relacionadas a aspectos más subjetivos, insertados dentro de variables psicosociales, necesidades muchas veces descuidadas por el médico. Conclusión: el trabajo apunta, directamente, para la necesidad de establecer condiciones que favorezcan al surgimiento de una buena relación médico-paciente, sin la cual no hay recuperación plena de la salud e, indirectamente, para la importancia de esta discusión en relación a la formación académica, dejando evidente la necesidad de trabajarse las competencias y habilidades adentro de este aspecto.

Physicians' personal beliefs about weight-related care and their associations with care delivery: The U.S. National Survey of Energy Balance Related Care among Primary Care Physicians.

BACKGROUND: Overweight and obesity are major health risks in the United States (US) and primary care physicians (PCPs) are uniquely positioned to address them. However, their personal beliefs about weight-related care may influence their delivery of care. METHODS: A nationally representative sample of 2022 physicians completed the National Survey of Energy Balance-Related Care among Primary Care Physicians. Physicians responded to questions regarding their beliefs and clinical practices associated with weight control including assessment, counselling, referral and follow-up for diet, physical activity, and weight. Multivariate logistic regression was used to examine associations between physician characteristics and personal beliefs, and associations between personal beliefs and care delivery, adjusting for specialty, age, gender, race, region, urban/rural location, and patient population. RESULTS: Most physicians feel a responsibility (97%) to promote weight-related care, but over half (53%) have concerns about their effectiveness and almost two-thirds feel they lack effective strategies to help patients (63%). Demographics and medical specialty were associated with beliefs (female, Asian-American, Midwest and Southern location, and internal medicine physicians were more likely to have stronger positive beliefs about weight-related care). Personal beliefs about weight-related care were associated with the likelihood of its delivery. However, two practices, regular BMI assessment and referring patients for further evaluation and management, were less related to PCP beliefs than were other care practices. CONCLUSIONS: PCPs' beliefs may be important to their practice of weight-related care. Training in behavioural counselling, and providing physician's tools and resources may help to address their concerns about helping patients with weight-related care.

Return on investment in electronic health records in primary care practices: a mixed-methods study.

BACKGROUND: The use of electronic health records (EHR) in clinical settings is considered pivotal to a patient-centered health care delivery system. However, uncertainty in cost recovery from EHR investments remains a significant concern in primary care practices. OBJECTIVE: Guided by the question of "When implemented in primary care practices, what will be the return on investment (ROI) from an EHR implementation?", the objectives of this study are two-fold: (1) to assess ROI from EHR in primary care practices and (2) to identify principal factors affecting the realization of positive ROI from EHR. We used a break-even point, that is, the time required to achieve cost recovery from an EHR investment, as an ROI indicator of an EHR investment. METHODS: Given the complexity exhibited by most EHR implementation projects, this study adopted a retrospective mixed-method research approach, particularly a multiphase study design approach. For this study, data were collected from community-based primary care clinics using EHR systems. RESULTS: We collected data from 17 primary care clinics using EHR systems. Our data show that the sampled primary care clinics recovered their EHR investments within an average period of 10 months (95% CI 6.2-17.4 months), seeing more patients with an average increase of 27% in the active-patients-to-clinician-FTE (full time equivalent) ratio and an average increase of 10% in the active-patients-to-clinical-support-staff-FTE ratio after an EHR implementation. Our analysis suggests, with a 95% confidence level, that the increase in the number of active patients (P=.006), the increase in the active-patients-to-clinician-FTE ratio (P<.001), and the increase in the clinic net revenue (P<.001) are positively associated with the EHR implementation, likely contributing substantially to an average break-even point of 10 months. CONCLUSIONS: We found that primary care clinics can realize a positive ROI with EHR. Our analysis of the variances in the time required to achieve cost recovery from EHR investments suggests that a positive ROI does not appear automatically upon implementing an EHR and that a clinic's ability to leverage EHR for process changes seems to play a role. Policies that provide support to help primary care practices successfully make EHR-enabled changes, such as support of clinic workflow optimization with an EHR system, could facilitate the realization of positive ROI from EHR in primary care practices.

Survival in Mediterranean ambulatory patients with chronic heart failure. A population-based study.

INTRODUCTION AND OBJECTIVES: Scarce research has been performed in ambulatory patients with chronic heart failure in the Mediterranean area. Our aim was to describe survival trends in our target population and the impact of prognostic factors. METHODS: We carried out a population-based retrospective cohort study in Catalonia (north-east Spain) of 5659 ambulatory patients (60% women; mean age 77 [10] years) with incident chronic heart failure. Eligible patients were selected from the electronic patient records of primary care practices from 2005 and were followed-up until 2007. RESULTS: During the follow-up period deaths occurred in 950 patients (16.8%). Survival after the onset of chronic heart failure at 1, 2, and 3 years was 90%, 80%, 69%, respectively. No significant differences in survival were found between men and women (P=.13). Cox proportional hazard modelling confirmed an increased risk of death with older age (hazard ratio=1.06; 95% confidence interval, 1.06-1.07), diabetes mellitus (hazard ratio=1.53; 95% confidence interval, 1.33-1.76), chronic kidney disease (hazard ratio=1.73; 95% confidence interval, 1.45-2.05), and ischemic heart disease (hazard ratio=1.18; 95% confidence interval, 1.02-1.36). Hypertension (hazard ratio=0.73; 95% confidence interval, 0.64-0.84) had a protective effect. CONCLUSIONS: Service planning and prevention programs should take into consideration the relatively high survival rates found in our area and the effect of prognostic factors that can help to identify high risk patients.