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medRxiv

Preoperative Social Connection and Postoperative Outcomes in Adults Undergoing Surgery: A Systematic Review and Meta-analysis

This systematic review and meta-analysis of 445 studies found that weaker preoperative social connection was associated with early postoperative mortality (OR 1.50, 95% CI 1.12-2.01) and non-home discharge (OR 1.95, 95% CI 1.35-2.81), while confidence intervals for postoperative survival, unplanned readmission, and complications all included 1, with overall certainty ranging from low to very low.