Systematic Review of Predictors of Success for the North American Pharmacist Licensure Examination.

Studies have examined possible predictors of success on the North American Pharmacist Licensure Examination (NAPLEX). This systematic review investigated the literature on potential predictors of success on the NAPLEX. Articles were included in the review if they studied student characteristics and academic performance as independent variables and NAPLEX scores and/or pass rates as an outcome. Data were extracted from each article for students' demographics or variables, sample size, methods of statistical analyses, and results reporting correlation or predictability. From 40 articles retrieved from the initial search and sorting, 20 studies were included in the final review per inclusion criteria. Three studies included all the pharmacy programs, 15 were single-institution studies, two were multi-institution studies, and four had been published as posters. Among 30 different variables identified as potential predictors of success on the NAPLEX, the most examined variables were student age at matriculation, having a prior degree, Pharmacy College Admission Test (PCAT) scores, cumulative pharmacy school grade point average (GPA), overall Pharmacy Curriculum Outcomes Assessment (PCOA) scores, and PCOA content areas scores. Positively correlated factors included PCAT scores, not having a prior degree, prepharmacy and pharmacy school GPA, institutional characteristics, and PCOA scores. Negatively correlated factors included older age at admission. Cumulative pharmacy school GPA and PCOA scores were predictors of NAPLEX success consistently in the studies. The effects of preadmission student characteristics on NAPLEX success varied and were not consistently correlated or predictive.