Table 6 Comparison of delivery records between ET and NC groups
Delivery records | ET group, n (%) | NC group, n (%) | χ2 | P | Adjusted OR | 95%CI | P |
|---|---|---|---|---|---|---|---|
Gestational weeks | 17.058 | < 0.001 | 0.659 | 0.587–0.740 | < 0.001 | ||
< 37 | 113 (35.2) | 140 (14.5) | |||||
37–40+ 6 | 203 (63.2) | 783 (81.3) | |||||
≥ 41 weeks | 5 (1.6) | 40 (4.2) | |||||
Class of pregnancy risk | 492.981 | < 0.001 | 8.969 | 6.661–12.076 | < 0.001 | ||
Class I | 21 (6.5) | 422 (43.8) | |||||
Class II | 39 (12.1) | 397 (41.2) | |||||
Class III | 261 (81.3) | 144 (44.9) | |||||
Amniotic fluid volume | 2.844 | 0.092 | |||||
Normal | 286 (89.1) | 822 (85.4) | |||||
Abnormal | 35 (10.9) | 141 (14.6) | |||||
Amniotic fluid clarity | 2.784 | 0.095 | |||||
Clear | 285 (88.8) | 818 (84.9) | |||||
Not clear | 36 (11.2) | 145 (15.1) | |||||
Mode of delivery | 413.874 | < 0.001 | 3.225 | 2.656–3.916 | < 0.001 | ||
Vaginal delivery | 65 (20.2) | 780 (81.0) | |||||
Cesarean section | 251 (78.2) | 164 (17.0) | |||||
Vacuum-assisted/assisted breech delivery | 5 (1.6) | 19 (2.0) | |||||
Number of births | 345.445 | < 0.001 | 0.023 | 0.012–0.046 | < 0.001 | ||
Single | 194(60.4) | 946 (98.2) | |||||
Twin | 127(39.6) | 17 (1.8) |