Abstract
BackgroundDue to abundant pathogen diversity and mounting antimicrobial resistance, sepsis is more common in sub-Saharan Africa (sSA). However, there is a lack of consistent reports regarding the prevalence of adult sepsis in the region. Therefore, this study aimed to determine pooled estimates of sepsis prevalence and associated mortality among adults admitted to hospitals in sSA. MethodsMedline (through PubMed), Scopus, Embase, and Web of Science were systematically searched for studies of sepsis in sSA published before February 13, 2023. A random-effects meta-analysis of hospital-wide and intensive care unit (ICU)-based sepsis prevalence was performed with a 95% confidence interval (CI). Subgroup analysis was conducted considering geographic region and sepsis diagnostic criteria. Funnel plots and Egger’s test were used to assess publication bias. The protocol was submitted to the Prospective Register for Systematic Reviews (PROSPERO) with an identifier (CRD42023396719). FindingsOverall, 14 observational studies, published between 2009 and 2022, from eight different sSA countries comprising 31,653 adult patients (5,723 with sepsis) were included in the review. Nine studies that were conducted in a hospital-wide setting showed a pooled prevalence and mortality of 17% (95% CI: 12–21%) and 15% (95% CI: 17–35%), respectively. Five studies in the ICUs presented a pooled prevalence and mortality of 31% (95% CI: 24–38%) and 46% (95% CI: 39–54%), respectively. Based on the sub-group analysis, the pooled hospital-wide prevalence of sepsis in East and Southern Africa was 18% (95% CI: 11–25%), and 20% (95% CI: 2–42%), respectively. The pooled prevalence in the ICU was 14% (95% CI: 4–23%) and 13% (95% CI: 5–20%) for East and Southern Africa, respectively. InterpretationThe hospital-wide and ICU-based sepsis prevalence and mortality are high in sSA. Addressing the burden of adult sepsis should be a priority for healthcare systems in sub-Saharan Africa.
Published Version
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