Table 3.
Variable | Category | Cases N = 452 |
Controls N = 904 |
Total N = 1356 |
Maternal age in years: |
< 20 20 – 34 35+ Unrecorded |
36(8.0) 350(77.4) 62(13.7) 4(0.9) |
62(6.8) 761(84.2) 76 (8.4) 5(0.6) |
97(7.2) 1121(81.9) 138(10.2) 9(0.7) |
Maternal residence: |
Urban Rural Unrecorded |
209(46.2) 227(50.2) 16(3.6) |
728(80.5) 155(17.2) 21 (2.3) |
937(69.1) 382(28.2) 37(2.7) |
Gravidity: | I II – IV V+ Unrecorded |
141(31.2) 161(35.6) 148(32.7) 2(0.5) |
409(45.2) 391(43.3) 104 (11.5) 0 |
550(40.6) 552(40.7) 252(18.6) 2(0.1) |
Duration of labor in hours: |
<12 12–24 25–48 >48 Unrecorded |
69 (15.3) 121(26.8) 71 (15.7) 35 (7.7) |
288(31.9) 306(33.8) 61(6.7) 16(1.8) 233(25.8) |
357(26.3) 427(31.5) 132(9.7) 51(3.8) 389 (28.7) |
Fetuses number | Singleton | 425 (94.0) | 857(94.8) | 1282(94.5) |
Multiple | 27 (6.0) | 47 (5.2) | 74(5.5) | |
Fetuses sex | Male | 218 (48.2) | 470 (52.0) | 690(50.9) |
Female | 147 (32.5) | 409 (45.2) | 555(40.9) | |
Unrecorded | 87 (19.3) | 25 (2.8) | 112(8.2) | |
1st Minute APGAR score |
0–3 4–6 7–10 Unrecorded |
440(97.4) 11(2.4) 0 1 (0.2) |
20 (2.2) 238 (26.3) 632 (69.9) 14 (1.6) |
460(33.9) 249 (18.4) 632 (46.6) 15 (1.1) |
5th Minute APGAR score |
0–3 4–6 7–10 Unrecorded |
437(96.7) 10(2.2) 4 (0.9) 1 (0.2) |
2 (0.2) 49(5.4) 839(92.8) 14(1.6) |
59 (4.3) 843 (62.2) 15 (1.1) |