Hospital level | I | II | III | P |
---|---|---|---|---|
Number of hospitals | 129 | 15 | 7 | Â |
All births | 31,680 (52.3) | 19,767 (32.6) | 9,168 (15.1) | Â |
Fetal deaths/stillbirth | 36 (0.1) | 143 (0.7) | 71 (0.8) | Â |
Live births | 31,644 (99.9) | 19,624 (99.3) | 9,097 (99.2) | Â |
Males | 16,900 (53.5) | 10,539 (53.5) | 4,967 (55.1) | 0.018 |
Gestational age (weeks) | 39.9±1.2 | 39.6±1.5 | 39.0±2.1 | <0.001 |
Birthweight (grams) | 3,469±447 | 3,443±495 | 3,338±604 | <0.001 |
Preterm births | 404 (1.3) | 776 (3.9) | 1,059 (11.6) | <0.001 |
Low birthweight | 395 (1.2) | 545 (2.8) | 751 (8.3) | <0.001 |
Multiple-births | 300 (0.9) | 385 (1.9) | 403 (4.4) | <0.001 |
Congenital anomalies | 117 (0.4) | 119 (0.6) | 78 (0.9) | <0.001 |
Cesarean section | 15,566 (49.2) | 11,155 (56.6) | 5,243 (57.5) | <0.001 |
Pregnancy complications | 1,766 (5.6) | 2,380 (12.1) | 1,905 (21.1) | <0.001 |
Hypertension | 327 (1.0) | 410 (2.1) | 279 (3.0) | <0.001 |
PROM | 1,062 (3.3) | 1,211 (6.1) | 1,017 (11.1) | <0.001 |
Anemia | 236 (0.7) | 363 (1.8) | 147 (1.6) | <0.001 |
Maternal age (years) | 25.5±5.2 | 26.1±5.1 | 26.7±4.9 | <0.001 |
Delayed childbearing | 2,543 (8.1) | 1,698 (8.6) | 824 (9.0) | 0.006 |
>9 years’ education | 2,223 (7.4) | 4,261 (23.2) | 3,855 (50.0) | <0.001 |
Amniotic fluid volume | Â | Â | Â | <0.001 |
Normal | 29,162 (93.4) | 18,037 (92.2) | 7,665 (90.6) | Â |
Polyhydramnios | 192 (0.6) | 134 (0.7) | 150 (1.8) | Â |
Oligohydramnios | 1,873 (6.0) | 1,400 (7.2) | 647 (7.6) | Â |
Amniotic contamination | Â | Â | Â | <0.001 |
Normal | 27,647 (87.5) | 16,240 (82.5) | 7,639 (86.8) | Â |
Grade I | 1,845 (5.8) | 1,105 (5.6) | 286 (3.2) | Â |
Grade II | 1,356 (4.3) | 1,069 (5.4) | 324 (3.7) | Â |
Grade III | 732 (2.3) | 1260 (6.4) | 548 (6.2) | Â |
Apgar score | Â | Â | Â | Â |
1-min ≤7 | 783 (2.5) | 767 (3.9) | 740 (8.2) | <0.001 |
1-min ≤3 | 75 (0.2) | 176 (0.9) | 98 (1.1) | <0.001 |
5-min ≤7 | 105 (0.3) | 193 (1.0) | 244 (2.7) | <0.001 |
5-min ≤3 | 35 (0.1) | 137 (0.7) | 64 (0.7) | <0.001 |
Deathsa | 56 (0.2) | 156 (0.8) | 90 (1.0) | <0.001 |