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.
Example 1: Estimates from 7 studies of sensitivity and specificity of measurement of exercise electrocardiography for predicting cardiac events in patients undergoing major vascular surgery
| Study | True positives | False negatives | True negatives | False positives |
|---|---|---|---|---|
| 1 | 8 | 1 | 79 | 32 |
| 2 | 1 | 0 | 10 | 6 |
| 3 | 2 | 1 | 78 | 24 |
| 4 | 1 | 0 | 32 | 41 |
| 5 | 3 | 4 | 44 | 9 |
| 6 | 2 | 0 | 44 | 2 |
| 7 | 2 | 0 | 93 | 48 |
