Intraoperative Mortality in Malawi

BACKGROUND: Surgical care is essential to improving population health, but metrics to monitor and evaluate the continuum of surgical care delivery have rarely been applied in low-resource settings, and improved efforts at benchmarking progress are needed. The objective of this study was to measure the intraoperative mortality at a Central Referral Hospital in Malawi, evaluate whether there have been changes in intraoperative mortality between 2 time periods, and assess factors associated with intraoperative mortality. METHODS: This was a retrospective cohort study of patients undergoing surgery at Kamuzu Central Hospital in Lilongwe, Malawi. Data describing daily consecutive operative cases were collected prospectively during 2 time periods: 2004–2006 (early cohort) and 2015–2016 (late cohort). The primary outcome was intraoperative mortality. Inverse probability of treatment weighting was used to analyze the association of intraoperative mortality with time using logistic regression models. Multivariable logistic models were performed to evaluate factors associated with intraoperative mortality. RESULTS: There were 21,090 surgeries performed during the 2 time periods, with 15,846 (75%) and 5244 (25%) completed from 2004 to 2006 and 2015 to 2016, respectively. Intraoperative mortality in the early cohort was 57 deaths per 100,000 surgeries (95% confidence interval [CI], 26–108) and in the late cohort was 133 per 100,000 surgeries (95% CI, 56–286), with 76 per 100,000 surgeries (95% CI, 44–124) overall. After applying inverse probability of treatment weighting, there was no evidence of an association between time periods and intraoperative mortality (odds ratio [OR], 1.6; 95% CI, 0.9–2.8; P = .08). Factors associated with intraoperative mortality, adjusting for demographics, included American Society of Anesthesiology physical status III or IV versus I or II (OR, 4.4; 95% CI, 1.5–12.5; P = .006) and emergency versus elective surgery (OR, 7.7; 95% CI, 2.5–23.6; P

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