Variables | Cases N = 152 n (%) | Controls N = 456 n (%) | OR (CI 95%) | p-value |
ANC follow-up (Number of ANC) |
|
|
|
|
None | 15 (9.87) | 27 (05.92) | 0.95 (0.70 - 1.30) | 0.85 |
Between 1 and 4 | 100 (65.79) | 327 (71.71) | 1.06 (0.51 - 3.94) | <0.01 |
Greater than 4 | 37 (24.34) | 116 (25.43) | 1.051 (0.74 - 1.47) | 0.83 |
Gestational age (Weeks) |
|
|
|
|
28 - 36 | 20 (13.16) | 96 (21.05) | 4.5 (1.61 - 7.16) | 0.02 |
37 - 42 | 127 (83.55) | 303 (66.44) | 1.68 (0.14 - 5.65) | 0.13 |
Greater than 42 | 5 (3.29) | 71 (15.57) | 8.28 (5.3 - 8.51) | 0.42 |
Augmentation of labour Yes | 67 (44.08) | 126 (27.63) | 0.46 (0.31 - 0.67) | <0.01 |
Induction of labour Yes | 02 (1.32) | 11 (02.41) | 0.59 (0.16 - 2.18) | 0.62 |
Instrumental extraction Yes | 3 (1.97) | 9 (01.97) | 1.03 (0.27 - 3.85) | 0.46 |
Duration of labour (hours) |
|
|
|
|
≤12 | 140 (86.85) | 264 (57.89) | 0.25 (1.05 - 1.45) | 0.12 |
>12 | 12 (7.89) | 206 (45.17) | 3.11 (2.06 - 6.43) | 0.02 |