Checklist | Dipstick Test | Total |
---|
 | Pregnant | Not Pregnant |  |
---|
Pregnancy not ruled out | 20 | 314 | 334 |
Pregnancy ruled out | 2 | 198 | 200 |
Total | 22 | 512 | 534 |
- Negative predictive value: 198/200 × 100 = 99.0% Positive predictive value:20/334 × 100 = 6.0%
- Sensitivity:20/22 × 100 = 90.9% Specificity:198/512 × 100 = 38.7%