Research Article
The Effect of Ethnic Variation on the Success of Induced Labour in Nulliparous Women with Postdates Pregnancies
Table 1
Total sample characteristics (
).
| | | (%) |
| | Mother’s age at delivery (years), mean (SD) | 27.2 (6.2) | | Ethnicity | | | White | 1568 (95.8) | | Black | 26 (1.6) | | Asian | 42 (2.6) | | BMI (kg/m2), mean (SD) | 26.7 (5.7) | | Smoking | | | Nonsmoker (never) | 911 (57.0) | | Current smoker | 169 (10.6) | | Previous smoker | 519 (32.5) | | Presence of meconium | | | No | 1285 (78.8) | | Yes | 345 (21.2) | | Use of an epidural | | | No | 1085 (66.3) | | Yes | 551 (33.7) | | Route of birth | | | Caesarean section delivery | 399 (24.4) | | Vaginal route | 1237 (75.6) | | Normal vaginal delivery | 1073 (86.7%) | | Instrumental delivery | 164 (13.2%) | | Fetal gender | | | Female | 781 (47.7) | | Male | 855 (52.3) | | Birth weight, mean (SD) | 3709.2 (430.8) | | Head circumference at birth (cm), mean (SD) | 35.5 (1.4) | | Apgar score at 1 minute, mean (SD) | 8.3 (1.6) | | Apgar score at 5 minutes, mean (SD) | 9.6 (0.9) | | Cord gases taken at delivery, arterial pH, mean (SD) | 7.23 (0.08) | | Cord gases taken at delivery, venous pH, mean (SD) | 7.28 (0.07) | | Admitted to NNU | | | No | 1319 (95.8) | | Yes | 58 (4.2) |
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