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Table 3 Intrapartum interventions, birth outcomes and duration of labour

From: Pregnant women’s clinical characteristics, intrapartum interventions, and duration of labour in urban China: a multi-center cross-sectional study

Variables

Total (N = 1209)

Nullipara (n = 841)

Multipara (n = 368)

Statistic

P value

Amniotomy, n (%)

 Yes

331 (27.4)

256 (30.4)

75 (20.4)

13.029b

<.001

 No

878 (72.6)

585 (69.6)

293 (79.6)

  

Use of oxytocin, n (%)

 Yes

458 (37.9)

391 (46.5)

67 (18.2)

87.036b

<.001

 No

751 (62.1)

450 (53.5)

301 (81.8)

  

Continuous EFM, n (%)

 Yes

641 (53.0)

522 (62.1)

119 (32.3)

90.847b

<.001

 No

568 (47.0)

319 (37.9)

249 (67.7)

  

Epidural analgesia, n (%)

 Yes

639 (52.9)

538 (64.0)

101 (27.4)

137.055b

<.001

 No

570 (47.1)

303 (36.0)

267 (72.6)

  

Mode of delivery, n (%)

 Vaginal birth

983 (81.3)

706 (83.9)

277 (75.3)

12.678b

<.001

 ICS

226 (18.7)

135 (16.1)

91 (24.7)

  

Neonatal birth weight, n (%)

  < 2500 g

193 (16.0)

150 (17.8)

43 (11.7)

2.308b

0.315

 2500-4000 g

959 (79.3)

654 (77.8)

305 (82.9)

  

  > 4000 g

57 (4.7)

37 (4.4)

20 (5.4)

  

Duration of 1st SOL (706/277)a, median (P25, P75)

7.00 (4.00, 11.00)

8.50 (5.50, 13.00)

4.50 (2.58 7.00)

50,391.000c

<.001

Duration of 2nd SOL (706/277)a, median (P25, P75)

0.63 (0.32, 1.07)

0.78 (0.45, 1.18)

0.28 (0.16, 0.53)

42,825.000c

<.001

Duration of total SOL (706/277)a, median (P25, P75)

8.00 (4.83, 12.25)

9.38 (6.33, 14.10)

5.08 (3.00, 7.83)

46,859.500c

<.001

  1. EFM Electronic fetal monitoring; ICS Intrapartum cesarean section; SOL Stage of labour
  2. a Numbers in parentheses indicate number for whom this information was available (nullipara/multipara); b Chi-square test; c Mann-Whitney U test