Effect of epidural analgesia in trial of labor after cesarean on maternal and neonatal outcomes in China: a multicenter, prospective cohort study

Table 3 Secondary Outcomes of Maternal Delivery in TOLAC

Secondary outcomes	TOLAC (control)		TOLAC (study)		Statistics	P value
Secondary outcomes	N (All)	N (%) or Mean ± SD	N (All)	N (%) or Mean ± SD
Initiating lactation period (h)	157	11 ± 13	262	7 ± 12	24,276.5	0.002
Uterine rupture	160	0(0%)	263	0(0%)		1
PPH	154		260			1
<=500		151(98.05%)		255(98.08%)
> 500		3(1.95%)		5(1.92%)
Episiotomy	149	42(28.19%)	256	111(43.36%)		0.003
Perineum/Cervical laceration	149	70(46.98%)	255	106(41.57%)		0.3
Instrumental delivery in VBAC	27		43			1
Vacuum extraction		15(13.51%)		23(10.22%)
Forceps		12(10.81%)		20(8.89%)
Labor duration in VBAC
The first labor duration (min)	108	334.14 ± 225.94	221	526.93 ± 266.85	6050.5	< 0.001
The second labor duration (min)	102	28.09 ± 31.62	217	46.14 ± 32.64	5836	< 0.001
The third labor duration (min)	108	8.62 ± 3.87	222	9.43 ± 5.03	11,211.5	0.294
VAS pain at epidural
T0: time 0	99	6.34 ± 2.16	219	8.20 ± 1.19	5191.5	< 0.001
T1: PCEA after 30 min	100	7.00 ± 2.16	217	0.94 ± 1.61	21,103	< 0.001
T2: cervical: 6 cm	100	7.67 ± 2.33	211	1.09 ± 1.71	20,404.5	< 0.001
T3: cervical: 10 cm	99	8.64 ± 2.13	210	1.78 ± 2.00	20,213	< 0.001
T4: immediate delivery of the fetus	97	1.65 ± 2.44	209	1.88 ± 1.60	8062	0.002

PPH Postpartum hemorrhage, VAS Visual analog scale, VBAC Vaginal birth after cesarean section
Data are mean ± SD, or n (%). SD Standard deviation
Comparisons were made using two-sided Student’s t test or Wilcoxon rank sum test for non-normally distributed variables
Comparisons were made using Pearson’s Chi-squared test and Fisher’s exact test for proportions

ISSN: 1471-2393