Table 1.
Proportion of women dead or surviving (near miss) a severe maternal morbidity according to laboratory, management and combined criteria for maternal near miss proposed by WHO
| WHO criteria# | Death | Near Miss | Mortality rate (%) | ||
|---|---|---|---|---|---|
| n | % | n | % | ||
| Laboratory based criteria | |||||
| PaO2/FiO2 <200 mmHg | 10 | 55.6 | 48 | 7.3 | 17.2 |
| Higher creatinine ≥3.5 mg/dl | 4 | 22.2 | 17 | 2.6 | 19.0 |
| Higher bilirubin total >6.0 mg/dl | 5 | 27.8 | 9 | 1.4 | 35.7 |
| Lower pH <7.1 | 5 | 27.8 | 4 | 0.6 | 55.6 |
| Lower platelet count <50,000 | 8 | 44.4 | 51 | 7.8 | 13.6 |
| Any laboratory * | 15 | 83.3 | 108 | 16.5 | 12.2 |
| Management | |||||
| Use of vasoactive drugs | 16 | 88.9 | 63 | 9.6 | 20.2 |
| Hysterectomy | 4 | 22.2 | 47 | 7.2 | 7.8 |
| Blood transfusion ≥5 units | 4 | 22.2 | 38 | 5.8 | 9.5 |
| Invasive mechanical ventilation ≥ 1 h | 16 | 88.9 | 91 | 13.9 | 14.9 |
| Hemodialysis | 3 | 16.7 | 4 | 0.6 | 42.9 |
| CPR | 10 | 55.6 | 4 | 0.6 | 71.4 |
| Any management | 17 | 94.4 | 145 | 22.1 | 10.5 |
| Combined (laboratory and management) | 18 | 100.0 | 194 | 29.6 | 8.5 |
| (Total number of SMM) | 18 | 655 | |||
# The clinical criteria were not included in this current evaluation
* The following laboratory criteria were not included: Oxygen saturation <90% for ≥60 min; lactate >5; loss of consciousness with glycosuria and ketonuria
SMM: severe maternal morbidity; CPR: cardio pulmonary resuscitation.