Table 4.
Validity of trigger alert(s) during labora to identify patients who experience a severe morbidity event
| Sensitivity (95% Cl) | Specificity (95% Cl) | LR+ | LR− | |
|---|---|---|---|---|
| MEOWS | 36.7% (26.1,48.3) | 64.2% (55.1, 72.7) | 1.03 (0.71, 1.49) | 0.99 (0.80, 1.22) |
| MERC | 34.2% (23.9,45.7) | 69.9% (61.0, 77.9) | 1.14 (0.76, 1.71) | 0.94 (0.77, 1.15) |
| MEWS | 7.6% (2.8, 15.8) | 97.6% (93.0, 99.5) | 3.11 (0.80, 12.09) | 0.95 (0.88, 1.01) |
| MEWT | 13.9% (7.2, 23.6) | 90.2% (83.6, 94.9) | 1.43 (0.66, 3.08) | 0.95 (0.86, 1.06) |
Abbreviations: LR, likelihood ratio; MERC, maternal early recognition criteria; MEOWS, modified early obstetric warning score; MEWS, modified early warning system; MEWT, maternal early warning trigger.
a
Triggers that occurred outside of labor were not counted.