Additional file 2: Fig. S2. The pooled rate of VBAC in spontaneous delivery group and induced labor group were 74.3% (95%CI: 0.679 to 0.807; p = 0.001; Pheterogeneity < 0.001) and 60.7% (95%CI: 0.532
aThe ‘other’ group included entrepreneurs, students, retired, unemployed, housewives and unclassifiable cases,b Additional information, *Chi Square or Analysis of Variance (ANOVA) tests.
