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Table 3 Obstetric determinants of stillbirth

From: Ten years analysis of stillbirth in a tertiary hospital in sub-Sahara Africa: a case control study

Variable Response Cases Controls OR (CI = 95%) p value
N (%) N (%)
History of stillbirth No 225 (89.6) 478 (97.2) 1  
Yes 26 (10.4) 14 (2.8) 3.94 (2.02–7.7) <0.0001
IUGR No 251 (100.0) 491 (99.8)   
Yes 0 (0.0) 1 (0.2)   
Spontaneous abortion No 209 (83.3) 415 (84.3) 1  
Yes 42 (16.7) 77 (15.7) 1.08 (0.71–1.63) 0.78
Interpregnancy interval ≤2 30 (12.0) 100 (20.3) 1  
>2 57 (22.7) 92 (18.7) 2.06 (1.22–3.49) 0.006
No interval 164 (65.3) 300 (61.0)   
Parity Prim-parous 78 (31.1) 157 (31.9) 1  
Pauci-parous 112 (44.6) 225 (45.7) 1 (0.7–1.42) 0.93
Multi-parous 53 (21.1) 100 (20.3) 1.07 (0.69–1.63) 0.85
Grand multi-parous 8 (3.2) 10 (2.0) 1.61 (0.61–4.24) 0.47
Number of ANCs 1–2 13 (5.2) 38 (7.7) 1  
3–4 26 (10.4) 48 (9.8) 1.58 (0.78–3.49) 0.32
≥5 52 (20.7) 140 (28.5) 0.92 (0.45–1.86) 0.8
Not available 160 (63.7) 266 (54.1) 0.5 (0.29–1.1) 0.12
Gestational age 22–28 84 (33.5) 3 (0.6) 175.6 (54.1–570.8) <0.0001
29–36 95 (37.8) 30 (6.1) 19.9 (12.3–32.2) <0.0001
37–42 70 (27.9) 439 (89.2) 1  0.062
≥42 2 (0.8) 2 (0.4) 6.27 (0.86–45.2) 0.096
Not available 0 (0.0) 18 (3.7)   
Mode of delivery Vaginal 192 (76.5) 426 (86.6)   
Caesarean 59 (23.5) 66 (13.4) 1.98 (1.34–2.93) 0.0008
Birth weight 50–1500 116 (46.2) 8 (1.6) 96.2 (44.8–206.5) <0.0001
1500–2500 50 (19.9) 25 (5.1) 13.3 (7.7–22.9) <0.0001
2500–4000 63 (25.1) 418 (85) 1 0.09
≥4000 10 (4.0) 32 (6.5) 2.07 (0.97–4.42) 0.06
Not available 12 (4.8) 9 (1.8)   
Congenital malformations No 235 (93.6) 489 (99.4) 1  
Yes 16 (6.4) 3 (0.6) 11.09 (3.2–38.5) <0.0001