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Table 1 Neonatal & maternal socio-demographic factors of study population by congenital anomaly status

From: Prevalence, risk factors and outcome of congenital anomalies among neonatal admissions in OGBOMOSO, Nigeria

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)  
  1. aColumn percentage; bMissing data excluded from analysis; *Statistically significant