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 background | 920 (88.2%) | 291 (89%) | 629 (87.8%) | | | Asian ethnic background | 43 (4.1%) | 5 (1.6%) | 34 (4.7%) | | | Black ethnic background | 12 (1.1%) | 9 (2.7%) | 7 (0.9%) | | | Not stated | 68 (6.6%) | 22 (6.7%) | 46 (6.6%) | | | BMI, mean (SD) | 22.0 (1.9) | 22.3 (1.9) | 21.9 (1.9) | | | Smoking | | | | | | No | 893 (87.1%) | 271 (85.5%) | 622 (87.9%) | | | Yes | 132 (12.9%) | 46 (14.5%) | 86 (12.1%) | | Gestation in days, mean (SD) | 278 (13) | 277 (13) | 278 (13) | | | Postdates pregnancy (≥41 weeks) | | | | | | No | 664 (63.5%) | 209 (64.5%) | 718 (73%) | | | Yes | 382 (36.5%) | 115 (35.5%) | 265 (26%) | | Route of birth | | | | | | Normal vaginal delivery | 646 (61.8%) | 118 (36.1%) | 528 (73.5%) | | | Instrumental vaginal delivery | 242 (23.1%) | 124 (37.9%) | 118 (16.4%) | | | Caesarean section delivery | 158 (15.1%) | 85 (26%) | 73 (10.1%) | | | Use of oxytocin | | | | | | No | 790 (75.5%) | 207 (63.3%) | 583 (81.1%) | | | Yes | 256 (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 | | | | | | Normal | 902 (86.7%) | 276 (84.9%) | 616 (86.2%) | | | Meconium stained | 138 (13.3%) | 49 (15.1%) | 99 (13.8%) |
|
|
Student’s -test; Fisher’s exact test.
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