Table III.
Univariate analysis of delivery and infant factors related to stillbirth
| Variables | Controls N (%) | Cases N (%) | P value |
|---|---|---|---|
| Method of delivery | |||
| Normal spontaneous vaginal delivery | 157 (96) | 133 (84) | 0.0005 |
| Caesarean section | 7 (4) | 25 (16) | |
| Complications during delivery | |||
| Yes | 22 (13) | 78 (52) | < 0.0001 |
| No | 141 (87) | 72 (48) | |
| Gestational age at birth (weeks) | |||
| ⩽ 28 | 7 (4) | 43 (28) | < 0.0001 |
| 29 – 36 | 79 (49) | 77 (50) | |
| ⩾ 37 | 74 (46) | 34 (22) | |
| Unfavourable/adverse fetal outcomes | |||
| Yes | 19 (12) | 71 (47) | < 0.0001 |
| No | 141 (88) | 81 (53) | |
| Birth weight of infant (g) | |||
| < 1499 | 4 (4) | 22 (19) | < 0.0001 |
| ⩾ 1500 – 1999 | 2 (1) | 21 (18) | |
| ⩾ 2000 – 2500 | 12 (8) | 20 (17) | |
| ⩾ 2501 – 3499 | 94 (59) | 35 (30) | |
| ⩾ 3500 | 45 (28) | 19 (16) | |