Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Definitions of Sensitivity, Precision and Specificity
| Manual review of subject only electronic search | |||
| Non-randomised studies (Reference standard) | Other studies (Non-reference standard) | ||
| Search filter | Retrieved | A | B |
| Not retrieved | C | D | |
Sensitivity = A/(A+C) × 100
Precision = A/(A+B) × 100
Specificity = D/(B+D) × 100
