Table 3 Distribution of controls and cases of maternal morbidity according to selected obstetric factors
From: Severe maternal morbidity: a case-control study in Maranhao, Brazil
Proximal variables | Cases n (%) | Controls n (%) | χ2 | OR (95% CI) | p - value |
|---|---|---|---|---|---|
Number of consultations | |||||
≥ 6 | 51 (41.8) | 135 (55.3) | 1.00 | ||
4-5 | 42 (34.4) | 67 (27.5) | 1.65 (1.00-2.74) | ||
1-3 | 19 (15.6) | 27 (11.1) | 1.86 (0.95-3.63) | ||
0 | 9 (7.4) | 13 (5.3) | |||
Not informed* | 1 (0.8) | 2 (0.8) | |||
6.14 | 0.11 | ||||
Hypertension during gestation | |||||
No | 72 (59.0) | 207 (84.8) | 1.00 | ||
Yes | 41 (33.6) | 24 (9.8) | 4.84 (2.73-8.50) | ||
No prenatal care /not informed* | 9 (7.4) | 13 (5.3) | |||
33.20 | <0.001 | ||||
Reference to high risk prenatal care | |||||
No | 71 (58.2) | 202 (82.8) | 1.00 | ||
Yes | 42 (34.4) | 29 (11.9) | 4.12 (2.39-7.11) | ||
No prenatal care/ not informed* | 9 (7.4) | 13 (5.3) | |||
28.07 | <0.001 | ||||