Sample Size Calculator

All methods

Binary outcomes — Proportions

Use when each unit falls into one of two states — infected or not, seropositive or not, cured or not — and the quantity of interest is a prevalence, an incidence proportion, or a difference between two of them.

4 methods

Binary outcomes — Proportions

  1. 7 Single proportion — precision
  2. 8 Single proportion — hypothesis test
  3. 9 Two independent proportions
  4. 10 Paired proportions — McNemar test