Variable | Category | Case n = 71 (%) | Controls n = 142 (%) | Total n = 213 (%) |
---|---|---|---|---|
Antepartum hemorrhage | Yes | 2 (2.8) | 1 (0.7) | 3 (1.4) |
No | 69 (97.2) | 141 (99.3) | 210 (98.6) | |
Pregnancy induced hypertension | Yes | 16 (22.5) | 9 (6. 3) | 25 (11.7) |
No | 55 (77.5) | 133 (93.7) | 188 (88. 3) | |
Premature rupture of membranes | Yes | 20 (28.2) | 10 (9.0) | 31 (14.1) |
No | 51 (71.8) | 132 (91.0) | 170 (85.9) | |
Polyhydramnios | Yes | 2 (2.8) | 1 (0.7) | 3 (1.4) |
No | 69 (97.2) | 141 (99.3) | 210 (98.6) | |
Multiple pregnancy | Yes | 26 (36.6) | 14 (9.9) | 40 (18.8) |
No | 45 (63.4) | 128 (90.9) | 173 (81.2) | |
Non-reassuring fetal heart rate pattern | Yes | 9 (12.7) | 5 (3.5) | 14 (6.6) |
No | 62 (87. 3) | 137 (96.5) | 199 (93.4) |