Obstetrics and Gynecology International / 2016 / Article / Tab 1

Research Article

The Effect of Epidural Analgesia on the Delivery Outcome of Induced Labour: A Retrospective Case Series

Table 1

Maternal demographics and labour/delivery characteristics.

Total
sample ( = 1,046)
Epidural,
yes ()
Epidural,
no
()

Mothers age at delivery (years), mean (SD)25.9 (5.7)26.4 (5.8)25.6 (5.6)
Ethnicity
 White ethnic background920 (88.2%)291 (89%)629 (87.8%)
 Asian ethnic background43 (4.1%)5 (1.6%)34 (4.7%)
 Black ethnic background12 (1.1%)9 (2.7%)7 (0.9%)
 Not stated68 (6.6%)22 (6.7%)46 (6.6%)
BMI, mean (SD)22.0 (1.9)22.3 (1.9)21.9 (1.9)
Smoking
 No893 (87.1%)271 (85.5%)622 (87.9%)
 Yes132 (12.9%)46 (14.5%)86 (12.1%)
Gestation in days, mean (SD)278 (13)277 (13)278 (13)
Postdates pregnancy (≥41 weeks)
 No664 (63.5%)209 (64.5%)718 (73%)
 Yes382 (36.5%)115 (35.5%)265 (26%)
Route of birth
 Normal vaginal delivery646 (61.8%)118 (36.1%)528 (73.5%)
 Instrumental vaginal delivery242 (23.1%)124 (37.9%)118 (16.4%)
 Caesarean section delivery158 (15.1%)85 (26%)73 (10.1%)
Use of oxytocin
 No790 (75.5%)207 (63.3%)583 (81.1%)
 Yes256 (24.5%)120 (36.7%)136 (18.9%)
First stage of labour (mins), mean (SD)300 (211)431 (239)249 (174)
Second stage of labour (mins), mean (SD)72 (62)101 (69)61 (56)
Liquor appearance
 Normal902 (86.7%)276 (84.9%)616 (86.2%)
 Meconium stained138 (13.3%)49 (15.1%)99 (13.8%)

Student’s -test; Fisher’s exact test.