Variable | Case (n = 63) | Control (n = 252) | Chi-square | p-value | |
---|---|---|---|---|---|
N (%) | N (%) | ||||
History of abortion | Yes | 18(28.6%) | 58(23%) | 0.85 | 0.357 |
No | 45(71.4%) | 194(77%) | |||
History of stillborn | Yes | 24(38.1%) | 33(13.1%) | 21.25 | 0.0001 |
No | 39(61.9%) | 219(86.9%) | |||
Gestational age | Term | 27(42.9%) | 140(55.6%) | 3.57 | 0.170 |
Preterm | 26(41.3%) | 76(30.2%) | |||
Post-term | 10(15.9%) | 36(14.3%) | |||
Order of birth | 1–4 | 53(84.1%) | 182(72.2%) | 3.77 | 0.52 |
> 4 | 10(15.9%) | 70(27.8% | |||
Contraception before pregnancy | Yes | 43(68.3%) | 162(64.3%) | 0.349 | 0.555 |
No | 20(31.7%) | 90(35.7%) |