• J H Bamber, R Goldacre, D N Lucas, S Quasim, and M Knight.
• Department of Anaesthesia, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK.
• Anaesthesia. 2023 Jul 1; 78 (7): 820829820-829.

AbstractThere is evidence that ethnic inequalities exist in maternity care in the UK, but those specifically in relation to UK obstetric anaesthetic care have not been investigated before. Using routine national maternity data for England (Hospital Episode Statistics Admitted Patient Care) collected between March 2011 and February 2021, we investigated ethnic differences in obstetric anaesthetic care. Anaesthetic care was identified using OPCS classification of interventions and procedures codes. Ethnic groups were coded according to the hospital episode statistics classifications. Multivariable negative binominal regression was used to model the relationship between ethnicity and obstetric anaesthesia (general and neuraxial anaesthesia) by calculating adjusted incidence ratios for the following: differences in maternal age; geographical residence; deprivation; admission year; number of previous deliveries; and comorbidities. Women giving birth vaginally and by caesarean section were considered separately. For women undergoing elective caesarean births, after adjustment for available confounders, general anaesthesia was 58% more common in Caribbean (black or black British) women (adjusted incidence ratio [95%CI] 1.58 [1.26-1.97]) and 35% more common in African (black or black British) women (1.35 [1.19-1.52]). For women who had emergency caesarean births, general anaesthesia was 10% more common in Caribbean (black or black British) women (1.10 [1.00-1.21]) than British (white) women. For women giving birth vaginally (excluding assisted vaginal births), Bangladeshi (Asian or Asian British), Pakistani (Asian or Asian British) and Caribbean (black or black British) women were, respectively, 24% (0.76 [0.74-0.78]), 15% (0.85 [0.84-0.87]) and 8% (0.92 [0.89-0.94]) less likely than British (white) women to receive neuraxial anaesthesia. This observational study cannot determine the causes for these disparities, which may include unaccounted confounders. Our findings merit further research to investigate potentially remediable factors such as inequality of access to appropriate obstetric anaesthetic care.© 2023 The Authors. Anaesthesia published by John Wiley & Sons Ltd on behalf of Association of Anaesthetists.

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