Cost of Nine Pediatric Infectious Illnesses in Low- and Middle-Income Countries: A Systematic Review of Cost-of-Illness Studies.

BACKGROUND: Cost-of-illness data from empirical studies provide insights into the use of healthcare resources including both expenditures and the opportunity cost related to receiving treatment. OBJECTIVE: The objective of this systematic review was to gather cost data and relevant parameters for hepatitis B, pneumonia, meningitis, encephalitis caused by Japanese encephalitis, rubella, yellow fever, measles, influenza, and acute gastroenteritis in children in low- and middle-income countries. DATA SOURCES: Peer-reviewed studies published in public health, medical, and economic journals indexed in PubMed (MEDLINE), Embase, and EconLit. STUDY ELIGIBILITY CRITERIA, PARTICIPANTS, AND INTERVENTIONS: Studies must (1) be peer reviewed, (2) be published in 2000-2016, (3) provide cost data for one of the nine diseases in children aged under 5 years in low- and middle-income countries, and (4) generated from primary data collection. LIMITATIONS: We cannot exclude missing a few articles in our review. Measures were taken to reduce this risk. Several articles published since 2016 are omitted from the systematic review results, these articles are included in the discussion. CONCLUSIONS AND IMPLICATIONS OF KEY FINDINGS: The review yielded 37 articles and 267 sets of cost estimates. We found no cost-of-illness studies with cost estimates for hepatitis B, measles, rubella, or yellow fever from primary data. Most estimates were from countries in Gavi preparatory (28%) and accelerated (28%) transition, followed by those who are initiating self-financing (22%) and those not eligible for Gavi support (19%). Thirteen articles compared household expenses to manage illnesses with income and two articles with other household expenses, such as food, clothing, and rent. An episode of illness represented 1-75% of the household's monthly income or 10-83% of its monthly expenses. Articles that presented both household and government perspectives showed that most often governments incurred greater costs than households, including non-medical and indirect costs, across countries of all income statuses, with a few notable exceptions. Although limited for low- and middle-income country settings, cost estimates generated from primary data collection provided a 'real-world' estimate of the economic burden of vaccine-preventable diseases. Additional information on whether common situations preventing the application of official clinical guidelines (such as medication stock-outs) occurred would help reveal deficiencies in the health system. Improving the availability of cost-of-illness evidence can inform the public policy agenda about healthcare priorities and can help to operationalize the healthcare budget in local health systems to respond adequately to the burden of illness in the community.

Post-introduction economic evaluation of pneumococcal conjugate vaccination in Ecuador, Honduras, and Paraguay / Evaluación económica tras la introducción de la vacunación antineumocócica conjugada en Ecuador, Honduras y Paraguay

OBJECTIVE:A decision-analytic model was constructed to evaluate the economic impact of post-introduction pneumococcal conjugate vaccine (PCV) programs in Ecuador, Honduras, and Paraguay from the societal perspective. METHODS: Hypothetical birth cohorts were followed for a 20-year period in each country. Estimates of disease burden, vaccine effectiveness, and health care costs were derived from primary and secondary data sources. Costs were expressed in 2014 US$. Sensitivity analyses were performed to assess the impact of model input uncertainties. RESULTS: Over the 20 years of vaccine program implementation, the health care costs per case ranged from US$ 764 854 to more than US$ 1 million. Vaccination prevented more than 50% of pneumococcal cases and deaths per country. At a cost of US$ 16 per dose, the cost per disability-adjusted life year (DALY) averted for the 10-valent PCV (PCV10) and the 13-valet PCV (PCV13) ranged from US$ 796 (Honduras) to US$ 1 340 (Ecuador) and from US$ 691 (Honduras) to US$ 1 166 (Ecuador) respectively. At a reduced price (US$ 7 per dose), the cost per DALY averted ranged from US$ 327 (Honduras) to US$ 528 (Ecuador) and from US$ 281 (Honduras) to US$ 456 (Ecuador) for PCV10 and PCV13 respectively. Several model parameters influenced the results of the analysis, including vaccine price, vaccine efficacy, disease incidence, and costs. CONCLUSIONS: The economic impact of post-introduction PCV needs to be assessed in a context of uncertainty regarding changing antibiotic resistance, herd and serotype replacement effects, differential vaccine prices, and government budget constraints.

OBJETIVO:Se construyó un modelo analítico de decisiones para evaluar la repercusión económica posterior a la introducción de los programas de vacunación antineumocócica conjugada (VNC) en Ecuador, Honduras y Paraguay desde la perspectiva de la sociedad. MÉTODOS: Se hizo un seguimiento de cohortes de nacimiento hipotéticas durante un período de 20 años en cada país. A partir de fuentes de datos primarias y secundarias, se derivaron los cálculos de la carga de morbilidad, la eficacia de la vacuna y los costos sanitarios. Los costos se expresaron en US$ de 2014. Se realizaron análisis de sensibilidad para evaluar la repercusión de las incertidumbres de insumo del modelo. RESULTADOS: Durante los 20 años de puesta en práctica de los programas de vacunación, los costos sanitarios por caso variaron desde US$ 764 854 a más de US$ 1 millón. La vacunación previno más de 50% de los casos y muertes por neumococo en cada país. A un costo de US$ 16 por dosis, el costo por año de vida ajustado en función de la discapacidad (AVAD) evitado por la VNC 10-valente (VNC10) y la VNC 13-valente (VNC13) varió desde US$ 796 (Honduras) a US$ 1 340 (Ecuador) y de US$ 691 (Honduras) a US$ 1 166 (Ecuador), respectivamente. A un precio reducido (US$ 7 por dosis), el costo por AVAD evitado varió desde US$ 327 (Honduras) a US$ 528 (Ecuador) y deUS$ 281 (Honduras) a US$ 456 (Ecuador), para la VNC10 y la VNC13 respectivamente. Diversos parámetros del modelo influyeron en los resultados del análisis, incluidos el precio de la vacuna, la eficacia de la vacuna, la incidencia de la enfermedad y los costos. CONCLUSIONES: Las repercusiones económicas tras la introducción de la VNC deben evaluarse en un contexto de incertidumbre con respecto a los cambios en cuanto a la resistencia a los antibióticos, los efectos de la inmunidad de grupo y la sustitución de serotipos, los diferentes precios de las vacunas, y las limitaciones presupuestarias de los gobiernos.

Post-introduction economic evaluation of pneumococcal conjugate vaccination in Ecuador, Honduras, and Paraguay / Evaluación económica tras la introducción de la vacunación antineumocócica conjugada en Ecuador, Honduras y Paraguay

Objective. A decision-analytic model was constructed to evaluate the economic impact of post-introduction pneumococcal conjugate vaccine (PCV) programs in Ecuador, Honduras, and Paraguay from the societal perspective. Methods. Hypothetical birth cohorts were followed for a 20-year period in each country. Estimates of disease burden, vaccine effectiveness, and health care costs were derived from primary and secondary data sources. Costs were expressed in 2014 US$. Sensitivity analyses were performed to assess the impact of model input uncertainties. Results. Over the 20 years of vaccine program implementation, the health care costs per case ranged from US$ 764 854 to more than US$ 1 million. Vaccination prevented more than 50% of pneumococcal cases and deaths per country. At a cost of US$ 16 per dose, the cost per disability-adjusted life year (DALY) averted for the 10-valent PCV (PCV10) and the 13-valet PCV (PCV13) ranged from US$ 796 (Honduras) to US$ 1 340 (Ecuador) and from US$ 691 (Honduras) to US$ 1 166 (Ecuador) respectively. At a reduced price (US$ 7 per dose), the cost per DALY averted ranged from US$ 327 (Honduras) to US$ 528 (Ecuador) and from US$ 281 (Honduras) to US$ 456 (Ecuador) for PCV10 and PCV13 respectively. Several model parameters influenced the results of the analysis, including vaccine price, vaccine efficacy, disease incidence, and costs. Conclusions. The economic impact of post-introduction PCV needs to be assessed in a context of uncertainty regarding changing antibiotic resistance, herd and serotype replacement effects, differential vaccine prices, and government budget constraints.

Objetivo. Se construyó un modelo analítico de decisiones para evaluar la repercusión económica posterior a la introducción de los programas de vacunación antineumocócica conjugada (VNC) en Ecuador, Honduras y Paraguay desde la perspectiva de la sociedad. Métodos. Se hizo un seguimiento de cohortes de nacimiento hipotéticas durante un período de 20 años en cada país. A partir de fuentes de datos primarias y secundarias, se derivaron los cálculos de la carga de morbilidad, la eficacia de la vacuna y los costos sanitarios. Los costos se expresaron en US$ de 2014. Se realizaron análisis de sensibilidad para evaluar la repercusión de las incertidumbres de insumo del modelo. Resultados. Durante los 20 años de puesta en práctica de los programas de vacunación, los costos sanitarios por caso variaron desde US$ 764 854 a más de US$ 1 millón. La vacunación previno más de 50% de los casos y muertes por neumococo en cada país. A un costo de US$ 16 por dosis, el costo por año de vida ajustado en función de la discapacidad (AVAD) evitado por la VNC 10-valente (VNC10) y la VNC 13-valente (VNC13) varió desde US$ 796 (Honduras) a US$ 1 340 (Ecuador) y de US$ 691 (Honduras) a US$ 1 166 (Ecuador), respectivamente. A un precio reducido (US$ 7 por dosis), el costo por AVAD evitado varió desde US$ 327 (Honduras) a US$ 528 (Ecuador) y deUS$ 281 (Honduras) a US$ 456 (Ecuador), para la VNC10 y la VNC13 respectivamente. Diversos parámetros del modelo influyeron en los resultados del análisis, incluidos el precio de la vacuna, la eficacia de la vacuna, la incidencia de la enfermedad y los costos. Conclusiones. Las repercusiones económicas tras la introducción de la VNC Deben evaluarse en un contexto de incertidumbre con respecto a los cambios en cuanto a la resistencia a los antibióticos, los efectos de la inmunidad de grupo y la sustitución de serotipos, los diferentes precios de las vacunas, y las limitaciones presupuestarias de los gobiernos.

Post-introduction economic evaluation of pneumococcal conjugate vaccination in Ecuador, Honduras, and Paraguay.

OBJECTIVE: A decision-analytic model was constructed to evaluate the economic impact of post-introduction pneumococcal conjugate vaccine (PCV) programs in Ecuador, Honduras, and Paraguay from the societal perspective. METHODS: Hypothetical birth cohorts were followed for a 20-year period in each country. Estimates of disease burden, vaccine effectiveness, and health care costs were derived from primary and secondary data sources. Costs were expressed in 2014 US$. Sensitivity analyses were performed to assess the impact of model input uncertainties. RESULTS: Over the 20 years of vaccine program implementation, the health care costs per case ranged from US$ 764 854 to more than US$ 1 million. Vaccination prevented more than 50% of pneumococcal cases and deaths per country. At a cost of US$ 16 per dose, the cost per disability-adjusted life year (DALY) averted for the 10-valent PCV (PCV10) and the 13-valet PCV (PCV13) ranged from US$ 796 (Honduras) to US$ 1 340 (Ecuador) and from US$ 691 (Honduras) to US$ 1 166 (Ecuador) respectively. At a reduced price (US$ 7 per dose), the cost per DALY averted ranged from US$ 327 (Honduras) to US$ 528 (Ecuador) and from US$ 281 (Honduras) to US$ 456 (Ecuador) for PCV10 and PCV13 respectively. Several model parameters influenced the results of the analysis, including vaccine price, vaccine efficacy, disease incidence, and costs. CONCLUSIONS: The economic impact of post-introduction PCV needs to be assessed in a context of uncertainty regarding changing antibiotic resistance, herd and serotype replacement effects, differential vaccine prices, and government budget constraints.

Cost-effectiveness of a quality improvement programme to reduce central line-associated bloodstream infections in intensive care units in the USA.

OBJECTIVE: To assess the cost-effectiveness of a multifaceted quality improvement programme focused on reducing central line-associated bloodstream infections in intensive care units. DESIGN: Cost-effectiveness analysis using a decision tree model to compare programme to non-programme intensive care units. SETTING: USA. POPULATION: Adult patients in the intensive care unit. COSTS: Economic costs of the programme and of central line-associated bloodstream infections were estimated from the perspective of the hospital and presented in 2013 US dollars. MAIN OUTCOME MEASURES: Central line-associated bloodstream infections prevented, deaths averted due to central line-associated bloodstream infections prevented, and incremental cost-effectiveness ratios. Probabilistic sensitivity analysis was performed. RESULTS: Compared with current practice, the programme is strongly dominant and reduces bloodstream infections and deaths at no additional cost. The probabilistic sensitivity analysis showed that there was an almost 80% probability that the programme reduces bloodstream infections and the infections' economic costs to hospitals. The opportunity cost of a bloodstream infection to a hospital was the most important model parameter in these analyses. CONCLUSIONS: This multifaceted quality improvement programme, as it is currently implemented by hospitals on an increasingly large scale in the USA, likely reduces the economic costs of central line-associated bloodstream infections for US hospitals. Awareness among hospitals about the programme's benefits should enhance implementation. The programme's implementation has the potential to substantially reduce morbidity, mortality and economic costs associated with central line-associated bloodstream infections.

Cost-effectiveness of a new rotavirus vaccination program in Pakistan: a decision tree model.

BACKGROUND: Rotavirus gastroenteritis places a significant health and economic burden on Pakistan. To determine the public health impact of a national rotavirus vaccination program, we performed a cost-effectiveness study from the perspective of the health care system. METHODS: A decision tree model was developed to assess the cost-effectiveness of a national vaccination program in Pakistan. Disease and cost burden with the program were compared to the current state. Disease parameters, vaccine-related costs, and medical treatment costs were based on published epidemiological and economic data, which were specific to Pakistan when possible. An annual birth cohort of children was followed for 5 years to model the public health impact of vaccination on health-related events and costs. The cost-effectiveness was assessed and quantified in cost (2012 US$) per disability-adjusted life-year (DALY) averted and cost per death averted. Sensitivity analyses were performed to assess the robustness of the incremental cost-effectiveness ratios (ICERs). RESULTS: The base case results showed vaccination prevented 1.2 million cases of rotavirus gastroenteritis, 93,000 outpatient visits, 43,000 hospitalizations, and 6700 deaths by 5 years of age for an annual birth cohort scaled from 6% current coverage to DPT3 levels (85%). The medical cost savings would be US$1.4 million from hospitalizations and US$200,000 from outpatient visit costs. The vaccination program would cost US$35 million at a vaccine price of US$5.00. The ICER was US$149.50 per DALY averted or US$4972 per death averted. Sensitivity analyses showed changes in case-fatality ratio, vaccine efficacy, and vaccine cost exerted the greatest influence on the ICER. CONCLUSIONS: Across a range of sensitivity analyses, a national rotavirus vaccination program was predicted to decrease health and economic burden due to rotavirus gastroenteritis in Pakistan by ~40%. Vaccination was highly cost-effective in this context. As discussions of implementing the intervention intensify, future studies should address affordability, efficiency, and equity of vaccination introduction.

Estimating the cost-effectiveness of pneumococcal conjugate vaccination in Brazil / Cálculo de la relación costo-efectividad de la vacuna conjugada antineumocócica en Brasil

OBJECTIVE: To compare the costs and benefits of pneumococcal conjugate vaccination compared with no vaccination from the perspectives of the health care system and society. METHODS: Using data from established sources, we estimated the incidence and mortality due to invasive pneumococcal disease, pneumonia, and acute otitis media (AOM) for a hypothetical birth cohort of children from birth to 5 years. RESULTS: A universal pneumococcal conjugate vaccination program was estimated capable of annually avoiding 1 047 cases of invasive disease, 58 226 cases of pneumonia, and 209 862 cases of AOM. When herd immunity effects were considered, the program prevented 1.3 million cases of pneumococcal disease and over 7 000 pneumococcal deaths. At a vaccination cost of R$ 51.12 (US$ 26.35) per dose, vaccination would cost annually R$ 4 289 (US$ 2,211) per disability-adjusted life years averted. This does not take into account herd immunity effects. CONCLUSIONS: At the current vaccine price, conjugate vaccination could be a cost-effective investment compared to other options to control childhood diseases. Further analysis is required to determine whether vaccination at the current price is affordable to Brazil.

OBJETIVO: Comparar los costos y los beneficios de la aplicación de la vacuna conjugada antineumocócica en comparación con la no vacunación, desde las perspectivas del sistema de salud y la sociedad. MÉTODOS: A partir de fuentes reconocidas, se estimaron la incidencia y la mortalidad por enfermedad neumocócica invasora, neumonía y otitis media aguda (OMA) para una cohorte hipotética de niños desde su nacimiento hasta los 5 años. RESULTADOS: Se estimó que un programa de vacunación universal con una vacuna conjugada antineumocócica sería capaz de evitar anualmente 1 047 casos de la enfermedad invasora, 58 226 casos de neumonía y 209 862 casos de OMA. Si se considera el efecto de la inmunidad de grupo, el programa evitaría 1,3 millones de casos de enfermedad y más de 7 000 muertes por infección neumocócica. A R$ 51,12 (US$ 26,35) por dosis, la vacunación costaría anualmente R$ 4 286 (US$ 2,211) por cada año de vida ajustado por discapacidad evitado, sin tomar en cuenta el efecto de la inmunidad de grupo. CONCLUSIONES: En comparación con otras opciones de control de estas enfermedades infantiles y con los precios actuales de la vacuna conjugada, la vacunación antineumocócica podría ser una inversión efectiva en función del costo. Se requieren más estudios para determinar si la vacunación es costeable para Brasil a los precios actuales.

Estimating the cost-effectiveness of pneumococcal conjugate vaccination in Brazil.

OBJECTIVE: To compare the costs and benefits of pneumococcal conjugate vaccination compared with no vaccination from the perspectives of the health care system and society. METHODS: Using data from established sources, we estimated the incidence and mortality due to invasive pneumococcal disease, pneumonia, and acute otitis media (AOM) for a hypothetical birth cohort of children from birth to 5 years. RESULTS: A universal pneumococcal conjugate vaccination program was estimated capable of annually avoiding 1 047 cases of invasive disease, 58 226 cases of pneumonia, and 209 862 cases of AOM. When herd immunity effects were considered, the program prevented 1.3 million cases of pneumococcal disease and over 7 000 pneumococcal deaths. At a vaccination cost of R$ 51.12 (US$ 26.35) per dose, vaccination would cost annually R$ 4 289 (US$ 2,211) per disability-adjusted life years averted. This does not take into account herd immunity effects. CONCLUSIONS: At the current vaccine price, conjugate vaccination could be a cost-effective investment compared to other options to control childhood diseases. Further analysis is required to determine whether vaccination at the current price is affordable to Brazil.

Economic impact of a rotavirus vaccine in Brazil.

The study was done to evaluate the cost-effectiveness of a national rotavirus vaccination programme in Brazilian children from the healthcare system perspective. A hypothetical annual birth-cohort was followed for a five-year period. Published and national administrative data were incorporated into a model to quantify the consequences of vaccination versus no vaccination. Main outcome measures included the reduction in disease burden, lives saved, and disability-adjusted life-years (DALYs) averted. A rotavirus vaccination programme in Brazil would prevent an estimated 1,804 deaths associated with gastroenteritis due to rotavirus, 91,127 hospitalizations, and 550,198 outpatient visits. Vaccination is likely to reduce 76% of the overall healthcare burden of rotavirus-associated gastroenteritis in Brazil. At a vaccine price of US$ 7-8 per dose, the cost-effectiveness ratio would be US$ 643 per DALY averted. Rotavirus vaccination can reduce the burden of gastroenteritis due to rotavirus at a reasonable cost-effectiveness ratio.

Economic impact of pneumococcal conjugate vaccination in Brazil, Chile, and Uruguay.

OBJECTIVES: To evaluate the economic impact of vaccination with the pneumococcal 7-valent conjugate vaccine (PCV7) in Brazil, Chile, and Uruguay. METHODS: A decision analytic model was constructed to compare pneumococcal vaccination of children 0-5 years old with no vaccination in Brazil, Chile, and Uruguay. Costs and health outcomes were analyzed from the societal perspective. Vaccine, demographic, epidemiologic, and cost data were incorporated into this economic analysis. RESULTS: At the rate of diphtheria-tetanus-pertussis (DTP) vaccine coverage and a vaccine price of US$ 53 per dose, PCV7 was projected to prevent 23 474 deaths per year in children under 5 years old in the three countries studied, thus averting 884,841 disability-adjusted life years (DALYs) yearly. To vaccinate the entire birth cohort of the three countries, total vaccine costs would be US$ 613.9 million. At US$ 53 per dose, the cost per DALY averted from a societal perspective would range from US$ 664 (Brazil) to US$ 2019 (Chile). At a cost of US$ 10 per dose, vaccine cost is lower than the overall cost of illness averted (US$ 125,050,497 versus US$ 153,965,333), making it cost effective and cost-saving. CONCLUSIONS: The results of this study demonstrate that the incorporation of PCV7 vaccine at US$ 53 per dose confers health benefits at extra costs. It is unclear whether vaccinatfon at the current price is affordable to these countries.

Economic impact of pneumococcal conjugate vaccination in Brazil, Chile, and Uruguay / Impacto económico de la vacuna antineumocócica conjugada en Brasil, Chile y Uruguay

OBJECTIVES: To evaluate the economic impact of vaccination with the pneumococcal 7-valent conjugate vaccine (PCV7) in Brazil, Chile, and Uruguay. METHODS: A decision analytic model was constructed to compare pneumococcal vaccination of children 0-5 years old with no vaccination in Brazil, Chile, and Uruguay. Costs and health outcomes were analyzed from the societal perspective. Vaccine, demographic, epidemiologic, and cost data were incorporated into this economic analysis. RESULTS: At the rate of diphtheria-tetanus-pertussis (DTP) vaccine coverage and a vaccine price of US$ 53 per dose, PCV7 was projected to prevent 23 474 deaths per year in children under 5 years old in the three countries studied, thus averting 884 841 disability-adjusted life years (DALYs) yearly. To vaccinate the entire birth cohort of the three countries, total vaccine costs would be US$ 613.9 million. At US$ 53 per dose, the cost per DALY averted from a societal perspective would range from US$ 664 (Brazil) to US$ 2 019 (Chile). At a cost of US$ 10 per dose, vaccine cost is lower than the overall cost of illness averted (US$ 125 050 497 versus US$ 153 965 333), making it cost effective and cost-saving. CONCLUSIONS: The results of this study demonstrate that the incorporation of PCV7 vaccine at US$ 53 per dose confers health benefits at extra costs. It is unclear whether vaccination at the current price is affordable to these countries.

OBJETIVOS: Evaluar el impacto económico de la aplicación de la vacuna antineumocócica conjugada heptavalente (PCV7) en Brasil, Chile y Uruguay. MÉTODOS: Se elaboró un modelo analítico de decisiones para comparar la vacunación antineumocócica de los niños de 0-5 años de edad con la no vacunación, en Brasil, Chile y Uruguay. Los costos y los desenlaces para la salud se analizaron desde el punto de vista de la sociedad. Al análisis económico se incorporaron los costos y los datos demográficos, epidemiológicos y de la vacuna. RESULTADOS: Con una cobertura como la de la vacuna contra la difteria, el tétanos y la tos ferina (DTP) y un precio de US$ 53,00 por dosis, la vacuna PCV7 podría evitar 23 474 muertes anuales en niños menores de 5 años en los tres países estudiados, con lo que se evitarían anualmente 884 841 años de vida ajustados por discapacidad (AVAD). Para vacunar toda la cohorte de recién nacidos de los tres países, el costo total de la vacuna sería de US$ 613,9 millones. A US$ 53,00 por dosis, el costo por AVAD evitado desde la perspectiva de la sociedad variaría entre US$ 664,00 (en Brasil) y US$ 2 019,00 (en Chile). A US$ 10,00 por dosis, el costo de la vacuna sería menor que el costo total de la enfermedad evitada (US$ 125 050 497 frente a US$ 153 965 333), lo que sería efectivo en función del costo y representaría un ahorro. CONCLUSIONES: Estos resultados demuestran que la incorporación de la vacuna PCV7 a US$ 53,00 por dosis ofrece beneficios con un costo adicional. No queda claro si estos países pueden costear la vacunación a los precios actuales.