The lack of effect modification by demographic and socioeconomic variables suggests that associations do not significantly differ by these metrics. The significant difference in association identified between programs suggests that the predictive ability of the exam is not uniform. CONCLUSIONS: The composite score had the largest magnitudes of association with PANCE scores and odds of LPP. Effect modification was not observed by any investigated variable. Hierarchical regression models and ROC curves identified significant variability in associations among programs. The composite score also strongly predicted decrements in odds of LPP (odds ratio: 0.46 95% CI: 0.38-0.55). RESULTS: Adjusted HRMs across 5 programs (n = 1014) found the composite score to have the strongest association, with a 10-percentile-point increase associated with a 22-point (95% confidence interval : 19-26) increase in PANCE score. This five-hour, 300-question exam covers the breadth of content a PA student learns in school. The PACKRAT scores were standardized for each year to the national mean and SD. The PANCE exam is what stands between a physician assistant student and certification. Models were adjusted for demographic and socioeconomic variables. Knowing that program completion and PANCE completion are required to practice as a PA, practice exams like the Physician Assistant Clinical Knowledge Rating and Assessment Tool (PACKRAT) may be a good predictor for PANCE performance. Receiver operating characteristic (ROC) curves were used to examine the sensitivity, specificity, positive predictive values, and negative predictive values for various PACKRAT metrics/cut points. Likelihood ratio tests were used to evaluate differences in associations between programs and effect modification by demographic and socioeconomic variables. METHODS: Linear and logistic hierarchical regression models (HRMs) were used to evaluate associations between PACKRAT metrics and (1) continuous PANCE scores and (2) odds of low PANCE performance (LPP), respectively. Flexible The exam can be delivered in a proctored or unproctored mode, onsite or remote, with a secure testing window. It is unknown, however, whether these associations (1) vary across programs (2) differ by PACKRAT metrics (first-year, second-year, and composite score ) or (3) are modified by demographic or socioeconomic variables. PURPOSE: The Physician Assistant Clinical Knowledge Rating and Assessment Tool (PACKRATĀ®) is a known predictor of performance on the Physician Assistant National Certifying Exam (PANCE).
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