Series

Biostats & Epi

Sensitivity, specificity, predictive values and the rest of Step 1 biostatistics, built from one 2×2 table.

1. EP 01 · about 6 min

   Sensitivity and Specificity from Any 2×2 Table

   Learn to pull sensitivity and specificity out of any 2×2 table without mixing them up, and why a 90% sensitive, 90% specific test can still leave a positive result at a coin flip. Includes an original practice question and a bedside twist on rapid flu tests.