Duration of second stage of labor | Linear trend X2 | P | |||||
---|---|---|---|---|---|---|---|
< 1 h | 1–1.9 h | 2–2.9 h | 3–3.9 h | ≥4 h | |||
Overall outcomes | 1159(20.0) | 238(30.7) | 107(38.5) | 79(61.2) | 94(69.6) | 349.70 | < 0.001 |
Maternal outcomes | 343(5.9) | 113(14.6) | 70(25.2) | 58(45.0) | 87(64.4) | 821.97 | < 0.001 |
Referral cesarean delivery | 6(0.1) | 13(1.7) | 17(6.1) | 18(14.0) | 44(32.6) | 989.84 | < 0.001 |
Instrumental delivery | 88(1.5) | 37(4.8) | 28(10.1) | 25(19.4) | 29(21.5) | 375.02 | < 0.001 |
Postpartum hemorrhage | 90(1.8) | 25(3.8) | 6(2.7) | 12(10.4) | 22(19.0) | 130.31 | < 0.001 |
III and IV degree laceration | 48(0.9) | 11(1.6) | 6(2.5) | 6(5.8) | 7(7.1) | 46.88 | < 0.001 |
Length of stay≥90th | 150(2.6) | 54(7.0) | 38(13.7) | 34(26.4) | 56(41.5) | 614.33 | < 0.001 |
Neonatal outcomes | 924(16.0) | 152(19.6) | 59(21.2) | 41(31.8) | 37(27.4) | 38.06 | < 0.001 |
NICU | 295(5.1) | 55(7.1) | 28(10.1) | 18(14.0) | 15(11.1) | 36.42 | < 0.001 |
Shoulder dystocia | 150(2.6) | 22(2.9) | 7(2.6) | 4(3.3) | 2(1.5) | 0.05 | 0.83 |
Apgar ≤7(5 min) | 48(0.8) | 17(2.2) | 6(2.2) | 13(10.1) | 5(3.7) | 64.22 | < 0.001 |
Neonatal resuscitation | 609(11.2) | 95(13.1) | 30(11.9) | 30(25.2) | 26(21.1) | 24.22 | < 0.001 |
Assisted ventilation | 123(2.3) | 23(3.2) | 10(4.0) | 14(11.8) | 11(8.9) | 48.11 | < 0.001 |