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J Obstet Gynaecol. 2002 Nov;22(6):618-25.

Predictors of obstetric intervention rates: case-mix, staffing levels and organisational factors of hospital of birth.

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1
Department of Public Health Sciences, St George's Hospital Medical School, London.

Abstract

We performed a cross-sectional study of all Thames maternity units, 1994-96, including 540,834 live and stillbirths. In contrast to recent media speculation, no association of caesarean section rates with midwifery staffing levels was found after adjustment for confounders. The only association with staffing was with levels of junior obstetric staffing, which could be a reflection of less experienced management of labour. Caesarean section rates were also associated positively with the levels of delivery beds, which could be a reflection of the closer monitoring of labour that may result from increased bed availability. Both caesarean section and instrumental vaginal delivery rates were associated with epidural rates, which was expected from the literature. Variations in epidural rates were mainly associated with variations in demographic case-mix, due possibly to patient demand. Demographic case-mix was also associated with instrumental vaginal deliveries but not the caesarean section rate.

PMID:
12554248
DOI:
10.1080/0144361021000020385
[Indexed for MEDLINE]

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