USMLE STEP 1: Rapid Review Equations With Questions And 100% SURE ANSWERS

JACKLINE



USMLE STEP 1: Rapid Review Equations With Questions And 100% SURE ANSWERS



Terms in this set (33)


Sensitivity TP / TP + FN

Specificity TN / TN + FP




PPV TP / TP + FP

NPV TN / TN + FN

Odds Ratio (for case-control studies) a/c|b/d = ad/bc

Relative Risk (RR) a/(a+b)|c/(c+d)

Attributable Risk (AR) a/a+b - c/c+d

Relative Risk Reduction (RRR) 1 - RR (1-[a/(a+b)|c/(c+d)])

Absolute Risk Reduction (ARR) c/c+d - a/a+b

Number Needed to Treat 1/ARR (1|c/c+d - a/a+b)


USMLE STEP 1: Rapid Review Equations
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