Table.
Distribution of patients according to trigger parameters
| Trigger parameter | Number of patients (%) (n=500) | Severe maternal morbidity (%) | P | Relative risk of severe adverse morbidity (95% CI) |
|---|---|---|---|---|
| Systolic BP >140 mmHg | 220 (44) | 90 (40.9) | <0.001 | 3.32 (2.2-5.0) |
| Diastolic BP >90 mmHg | 235 (47) | 98 (41.7) | <0.001 | 3.38 (2.2-5.0) |
| Pulse >100/min | 67 (13.4) | 28 (41.7) | <0.05 | 1.76 (1.0-2.9) |
| Respiratory rate >20/min | 16 (3.2) | 9 (56.2) | <0.05 | 3.02 (1.1-8.2) |
| Temperature >37.5°C | 12 (2.4) | 9 (75) | <0.05 | 5.34 (1.6-17.6) |
| SpO2 <95% | 9 (1.8) | 8 (88.8) | <0.05 | 16.5 (2.0-135.6) |
| Looks/feels unwell | 32 (6.4) | 9 (28.1) | <0.05 | 6.6 (2.9-14.6) |
| Neurological status AVPU | 7 (1.4) | 7 (100) | <0.05 | 3.3 (2.9-3.8) |
| Urine output <1 ml/kg/h | 6 (1) | 5 (83.3) | <0.05 | 11.6 (1.34-100.3) |
| Urinary protein-yes | 96 (19.2) | 96 (100) | <0.05 | 19.3 (11.2-33.3) |
CI, confidence interval; BP, blood pressure; AVPU (A-alert, V-responding to verbal commands, P-responding to painful stimulus, U-unresponsive)