Table 1: Demographic data of the patients ( ).

Spontaneous vaginal deliveryOperative vaginal delivery -value

Patients18442
Age ± SD (min.–max.) years28.3 ± 4.7 (19–40) 26.8 ± 4.7 (18–37)0.75
Parity, nulliparous/multiparous74/11033/9<0.01
Weight ± (min.–max.) kg68.1 ± 15.5 (43–150)67.6 ± 16.1 (46–103)0.87
Height ± (min.–max.) cm164 ± 5.6 (148–177)163 ± 5.5 (154–176)0.92
Body mass index ± (min.–max.)25.4 ± 5.3 (17–52)25.4 ± 5.5 (18–39)0.98
Infant weight ± (min.–max.) g3750 ± 530 (2210–5120)3760 ± 380 (2915–4680)0.80
Labour induction (%)136 (74%)30 (71%)0.78
Labour augmentation (%)141 (77%)40 (96%)0.02