| |
baseline criteria
|
group 1:
|
group 2:
|
p-value
|
|---|
|
mean ± SD / n (%)
|
uncomplicated (n = 492)
|
difficult (n = 137)
|
|---|
|
obstetrical
|
gestational age (in weeks)
|
39.8 ± 1.1
|
39.64 ± 1.1
|
0.03
|
|
full cervical dilation (10 cm)
|
310 (63.0)
|
103 (75.2)
|
0.008*
|
|
cephalic malpresentation
|
260 (52.9)
|
91 (66.4)
|
0.005*
|
|
maternal
|
age (in years)
|
31.7 ± 5.0
|
31.6 ± 5.1
|
0.934
|
|
BMI before pregnancy (in kg/m2)
|
22.8 ± 4.0
|
23.5 ± 4.7
|
0.075
|
|
neonatal
|
weight (in g)
|
3555.9 ± 450.8
|
3453.2 ± 420.9
|
0.02
|
|
head circumference > 35 cm
|
267 (54.3)
|
53 (38.7)
|
0.001*
|
- SD standard deviation, n (%) number (per cent), BMI body mass index, *significant statistical difference between the groups (p < 0.01)
