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A Predictive Model for Estimation Risk of Proliferative Lupus Nephritis / 中华医学杂志(英文版)
Chinese Medical Journal ; (24): 1275-1281, 2018.
Article in English | WPRIM | ID: wpr-688131
ABSTRACT
<p><b>Background</b>Lupus nephritis (LN) is classified by renal biopsy into proliferative and nonproliferative forms, with distinct prognoses, but renal biopsy is not available for every LN patient. The present study aimed to establish an alternate tool by building a predictive model to evaluate the probability of proliferative LN.</p><p><b>Methods</b>In this retrospective cohort with biopsy-proven LN, 382 patients in development cohort, 193 in internal validation cohort, and 164 newly diagnosed patients in external validation cohort were selected. Logistic regression model was established, and the concordance statistics (C-statistics), Akaike information criterion (AIC), integrated discrimination improvement, Hosmer-Lemeshow test, and net reclassification improvement were calculated to evaluate the performance and validation of models.</p><p><b>Results</b>The prevalence of proliferative LN was 77.7% in the whole cohort. A model, including age, gender, systolic blood pressure, hemoglobin, proteinuria, hematuria, and serum C3, performed well on good-of-fit and discrimination in the development chohort to predict the risk of proliferative LN (291 for AIC and 0.84 for C-statistics). In the internal and external validation cohorts, this model showed good capability for discrimination and calibration (0.84 and 0.82 for C-statistics, and 0.99 and 0.75 for P values, respectively).</p><p><b>Conclusion</b>This study developed and validated a model including demographic and clinical indices to evaluate the probability of presenting proliferative LN to guide therapeutic decisions and outcomes.</p>
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Pathology / Prognosis / Biopsy / Lupus Nephritis / Retrospective Studies / Risk Factors / Nomograms Type of study: Etiology study / Observational study / Prognostic study / Risk factors Limits: Adult / Female / Humans / Male Language: English Journal: Chinese Medical Journal Year: 2018 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Pathology / Prognosis / Biopsy / Lupus Nephritis / Retrospective Studies / Risk Factors / Nomograms Type of study: Etiology study / Observational study / Prognostic study / Risk factors Limits: Adult / Female / Humans / Male Language: English Journal: Chinese Medical Journal Year: 2018 Type: Article