Table 2.
Case-control study BW ≥2000 g |
|||
---|---|---|---|
Cases Pre-hosp. Stillbirths |
Cases Intra-hosp. Stillbirths |
Controls Apgar 7–10 |
|
N (%) | |||
Mode of delivery | |||
Of all women in the study: | (n = 67) | (n = 72) | (n = 249) |
Spontaneous vaginal | 45 (67.2 %) | 46 (63.9 %) | 213 (85.5 %) |
Vaginal breech | 3 (4.5 %) | 5 (6.9 %) | 5 (2.0 %) |
Vacuum extraction | 1 (1.5 %) | 0 (0.0 %) | 0 (0.0 %) |
Caesarean sectiona, b | 15 (22.4 %) | 20 (27.8 %) | 26 (10.4 %) |
Mode of delivery unknown | 3 (4.5 %) | 1 (1.4 %) | 5 (2.0 %) |
Maternal outcome | |||
Of all women in the study: | (n = 67) | (n = 72) | (n = 249) |
Maternal deaths | 2 (3.0 %) | 1 (1.4 %) | 0 (0.0 %) |
Post partum haemorrhagec | 7 (10.4 %) | 10 (13.9 %) | 14 (5.6 %) |
Episiotomy/spontaneous tearsd, e | 6 (9.0 %) | 19 (26.4 %) | 79 (31.7 %) |
Of vaginal deliveries: | (n = 49) | (n = 51) | (n = 218) |
Prolonged admission, ≥1 dayf | 9 (18.4 %) | 0 (0.0 %) | 3 (1.4 %) |
Of caesarean sections: | (n = 15) | (n = 20) | (n = 26) |
Prolonged admission, ≥5 days | 1 (6.7 %) | 3 (15.0 %) | 2 (7.7 %) |
‘Fresh’ versus ‘macerated’ stillbirths | |||
Of all women in the study: | (n = 67) | (n = 72) | (n = 249) |
Classification not recorded | 36 (53.7 %) | 41 (56.9 %) | NA |
BW birthweight, CI confidence interval, NA not applicable; OR, odds ratio
aOverall, 9/35 (26 %) of the caesarean sections with stillbirth were done prior to active labour, and 10/35 (29 %) in second stage. Among controls, this was the case for 13/26 (50 %) and 0/26 (0 %), respectively
bDifference between stillbirths and controls: OR 2.94, 95 % CI 1.68–5.14
cDifference between stillbirths and controls: OR 2.34, 95 % CI 1.12–4.90
dInformation was insufficient to distinguish between spontaneous vaginal tears and episiotomies
eDifference between pre-hospital stillbirths and controls: OR 0.21, 95 % CI 0.09–0.51
fDifference between pre-hospital stillbirths and controls: OR 16.13, 95 % CI 4.18–62.17