Timing of cesarean and its impact on labor duration and genital tract trauma at the first subsequent vaginal birth: a retrospective cohort study

Table 2 fVBAC subgroups - delivery characteristics

Variable	fVBAC-PL	fVBAC-AL	p-value
Variable	n = 177	n = 31	p-value
Age [years]; mean ± SD	31.8 ± 4.1	31.9 ± 3.3	.988^a
BMI; mean ± SD	29.5 ± 5.7	28.2 ± 3.0	.570^a
Gestational age [weeks]; mean ± SD	39.7 ± 1.3	39.4 ± 1.3	.218^a
Birthweight [g]; mean ± SD	3295.5 ± 408.4	3258.7 ± 269.3	.637^a
1st stage duration [min]; mean ± SD	296.0 ± 132.7	230.0 ± 104.2	.007^a
2nd stage duration [min]; mean ± SD	20.9 ± 15.8	22.5 ± 18.3	.806^a
Instrumental delivery; n (%)	6 (3.4)	2 (6.5)	.340^b
Estimated blood loss [ml]; mean ± SD	388.7 ± 166.0	433.9 ± 194.7	.077^a
Labor induction; n (%)	1 (0.6)	1 (3.2)	.277^b
Oxytocin use for labor augmentation; n(%)	76 (42.9)	11 (35.5)	.555^b

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