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.
Specificity and sensitivity criteria for postpartum hemorrhage
| Number of risk factors | Sensitivity (%) | Specificity (%) | Likelihood ratio | % correctly classified |
|---|---|---|---|---|
| 1 | 100.00 | 9.01 | 1.10 | 12.66 |
| 2 | 91.38 | 46.76 | 1.72 | 48.55 |
| 3 | 56.90 | 81.20 | 3.03 | 80.22 |
| 4+ | 13.79 | 98.92 | 12.76 | 95.5 |
