Table 3.
Details of onset of labour and final mode of delivery in cases (babies with newborn encephalopathy) and controls by eligibility for elective caesarean section according to consensus criteria.* Values are numbers (percentages) of subjects
| Detail | Cases
|
Controls
|
|||
|---|---|---|---|---|---|
| Elective section candidates (n=43) | Others (n=121) | Elective section candidates (n=51) | Others (n=349) | ||
| Labour onset: | |||||
| Spontaneous | 19 (44.2) | 71 (58.7) | 9 (17.7) | 211 (60.5) | |
| Induced | 20 (46.5) | 48 (39.7) | 9 (17.7) | 113 (32.4) | |
| None | 4† (9.3) | 2 (1.7) | 33 (64.7) | 25 (7.2) | |
| Final mode of delivery: | |||||
| Elective caesarean | 3 (7.0) | 1 (0.8) | 33 (64.7) | 25 (7.2) | |
| Non-elective caesarean | 17 (39.5) | 17 (14.1) | 7 (13.7) | 31 (8.9) | |
| Instrumental and breech | 8 (18.6) | 37 (30.6) | 4 (7.8) | 59 (16.9) | |
| Induced vaginal | 8 (18.6) | 24 (19.8) | 5 (9.8) | 75 (21.5) | |
| Spontaneous vaginal | 7 (16.3) | 42 (34.7) | 2 (3.9) | 159 (45.6) | |
*
Eligiblity defined by consensus opinion of 14 obstetricians. Consensus list was intrauterine growth retardation, malpresentation, abnormal antepartum cardiotocogram, two previous caesarean sections, macrosomia with diabetes or gestational diabetes, active herpes, and previous difficult labour.
†
Includes two women who had emergency caesarean sections before onset of labour.