Table 4.
Maternal characteristics and modes of delivery
| Maternal characteristic | Total delivery | Vaginal delivery (%) | Cesarean (%) | Chi square test value | P value | Multiple linear regression coefficient | P value |
|---|---|---|---|---|---|---|---|
| Birth weight | |||||||
| <1000 GMS | 922 | 881 (95.55) | 41 (4.44) | 30.54 | <0.0001 | −0.09257 | <0.0001 |
| 1000–1499 | 2059 | 1770 (85.96) | 289 (14.03) | ||||
| 1500–2499 | 16,935 | 11,937 (70.48) | 4998 (29.51) | ||||
| 2500–3999 | 20,439 | 15,584 (76.24) | 4855 (23.75) | ||||
| >4000 | 54 | 25 (46.29) | 29 (53.70) | ||||
| Presentation | |||||||
| Cephalic | 37,365 | 28,762 (76.97) | 8603 (23.02) | 1354.2 | <0.0001 | 0.7302 | <0.0001 |
| Abnormal | 2721 | 1231 (45.24) | 1490 (54.75) | ||||
| N of fetuses | |||||||
| Single | 39,317 | 29,436 (74.86) | 9881 (25.13) | 2.25 | 0.13 | 0.08828 | 0.061 |
| Multiple | 769 | 557 (72.43) | 212 (27.17) | ||||
| Gestational age | |||||||
| >37 weeks | 33,787 | 24,954 (73.85) | 8833 (26.14) | 141.16 | <0.0001 | −0.4523 | <0.001 |
| 30–36 weeks | 4975 | 3890 (78.19) | 1085 (21.80) | ||||
| <30 weeks | 1324 | 1149 (86.78) | 175 (13.21) | ||||
| Maternal age | |||||||
| 18–20 years | 6315 | 4859 (76.94) | 1456 (23.05) | 67.30 | <0.0001 | 0.01187 | <0.0001 |
| 21–25 years | 21,211 | 16,047 (75.65) | 5164 (24.34) | ||||
| 26–30 years | 9649 | 7071 (73.28) | 2632 (27.27) | ||||
| 31–35 years | 2359 | 1703 (72.19) | 656 (27.80) | ||||
| >35 years | 552 | 357 (64.67) | 185 (33.51) | ||||
| Parity | |||||||
| Nullyparous | 18,648 | 13,480 (72.28) | 4918 (26.09) | 43.80 | <0.0001 | −0.1158 | <0.0001 |
| Multiparous | 21,438 | 16,513 (77.02) | 5175 (23.50) | ||||