Characteristic | Congenital anomaly | |||
---|---|---|---|---|
Yes n (%) | No n (%) | Total n (%)a | p value | |
Sex | ||||
 Male | 36 (5.9) | 576 (94.1) | 612 (57.9) | 0.475 |
 Female | 31 (7.0) | 414 (93.0) | 445 (42.1) |  |
 Total | 67 (6.3) | 990 (93.7) | 1057 (100.0) |  |
Age at presentation | ||||
 0-7 days | 59 (6.4) | 870 (93.6) | 929 (87.9) | 0.930 |
 8-28 days | 8 (6.6) | 114 (93.4) | 122 (11.5) |  |
 Missingb | 0 (0.0) | 6 (100.0) | 6 (0.6) |  |
Gestational age at birth | ||||
 Preterm | 13 (5.1) | 241 (94.9) | 254 (24.0) | 0.477 |
 Term | 21 (4.0) | 503 (96.0) | 524 (49.6) |  |
 Missingb | 33 (11.8) | 246 (88.2) | 279 (26.4) |  |
Mode of delivery | ||||
 Vaginal | 50 (7.1) | 659 (92.9) | 709 (67.1) | 0.228 |
 Abdominal | 17 (5.1) | 317 (94.9) | 334 (31.6) |  |
 Missingb | 0 (0.0) | 14 (100.0) | 14 (1.3) |  |
Place of birth | ||||
 Within BUTH | 20 (3.9) | 494 (96.1) | 514 (48.6) | 0.001* |
 Referred | 46 (8.9) | 473 (91.1) | 519 (49.1) |  |
 Missingb | 1 (4.2) | 23 (95.8) | 24 (2.3) |  |
Obstetric complication | ||||
 Yes | 13 (5.4) | 227 (94.6) | 240 (22.7) | 0.518 |
 No | 52 (6.6) | 739 (93.4) | 791 (74.8) |  |
 Missingb | 2 (7.7) | 24 (92.3) | 26 (2.5) |  |
Birth weight (kg) | ||||
 < 1.5 | 5 (4.8) | 100 (95.2) | 105 (10.0) | 0.420 |
 1.5-2.49 | 20 (8.5) | 216 (91.5) | 236 (22.3) |  |
 ≥ 2.5 | 35 (6.6) | 495 (93.4) | 530 (50.1) |  |
 Missingb | 7 (3.8) | 179 (96.2) | 186 (17.6) |  |
Perinatal asphyxia | ||||
 Yes | 23 (7.1) | 302 (92.9) | 325 (30.7) | 0.514 |
 No | 42 (6.0) | 657 (94.0) | 699 (66.2) |  |
 Missingb | 2 (6.1) | 31 (93.9) | 33 (3.1) |  |
Maternal age (years) | ||||
 ≤ 20 | 4 (12.1) | 29 (87.9) | 33 (3.1) | 0.393 |
 21-35 | 31 (7.2) | 399 (92.8) | 430 (40.7) |  |
 >35 | 4 (4.9) | 78 (95.1) | 82 (7.8) |  |
 Missingb | 28 (5.5) | 484 (94.5) | 512 (48.4) |  |
Maternal tribe | ||||
 Yoruba | 60 (6.3) | 895 (93.7) | 955 (90.4) | 0.678 |
 Igbo | 3 (9.7) | 28 (90.3) | 31 (2.9) |  |
 Others | 1 (4.2) | 23 (95.8) | 24 (2.3) |  |
 Missingb | 3 (6.4) | 44 (93.6) | 47 (4.4) |  |
Maternal place of domicile | ||||
 Ogbomoso | 48 (5.9) | 763 (94.1) | 811 (76.7) | 0.240 |
 Outside Ogbomoso | 16 (8.2) | 179 (91.8) | 195 (18.5) |  |
 Missingb | 3 (5.9) | 48 (94.1) | 51 (4.8) |  |