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Title: Sex as a prognostic factor for mortality in critically ill adults with sepsis: a systematic review and meta-analysis.
Keywords: adult intensive & critical care
Issue Date: 22-Sep-2021
Citation: BMJ Open.2021;(11)9:e048982
Abstract: To assess the role of sex as an independent prognostic factor for mortality in patients with sepsis admitted to intensive care units (ICUs). Systematic review and meta-analysis. MEDLINE, Embase, Web of Science, and the WHO Clinical Trials Registry from inception to 17 July 2020. Studies evaluating independent associations between sex and mortality in critically ill adults with sepsis controlling for at least one of five core covariate domains prespecified following a literature search and consensus among experts. Two authors independently extracted and assessed the risk of bias using Quality In Prognosis Studies tool. Meta-analysis was performed by pooling adjusted estimates. The Grades of Recommendations, Assessment, Development and Evaluation approach was used to rate the certainty of evidence. From 14 304 records, 13 studies (80 520 participants) were included. Meta-analysis did not find sex-based differences in all-cause hospital mortality (OR 1.02, 95% CI 0.79 to 1.32; very low-certainty evidence) and all-cause ICU mortality (OR 1.19, 95% CI 0.79 to 1.78; very low-certainty evidence). However, females presented higher 28-day all-cause mortality (OR 1.18, 95% CI 1.05 to 1.32; very low-certainty evidence) and lower 1-year all-cause mortality (OR 0.83, 95% CI 0.68 to 0.98; low-certainty evidence). There was a moderate risk of bias in the domain adjustment for other prognostic factors in six studies, and the certainty of evidence was further affected by inconsistency and imprecision. The prognostic independent effect of sex on all-cause hospital mortality, 28-day all-cause mortality and all-cause ICU mortality for critically ill adults with sepsis was uncertain. Female sex may be associated with decreased 1-year all-cause mortality. CRD42019145054.
PMID: 34551945
Rights: openAccess
Appears in Collections:Fundaciones e Institutos de Investigación > FIIB H. U. Infanta Sofía y H. U. Henares > Artículos
Hospitales > H. U. Henares > Artículos
Fundaciones e Institutos de Investigación > IIS H. U. Ramón y Cajal > Artículos
Hospitales > H. U. Ramón y Cajal > Artículos

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