AI Article Synopsis
- * Researchers conducted a meta-analysis by reviewing five relevant studies, including 46,186 patients, and found that higher case volumes significantly correlated with lower in-hospital mortality rates.
- * The analysis demonstrated a strong inverse relationship (OR, 0.53), suggesting that hospitals treating more SAH cases each year tend to have better outcomes in terms of patient survival during hospitalization.
Article Abstract
Studies on the relationship between hospital annualized case volume and in-hospital mortality in patients with subarachnoid hemorrhage (SAH) have shown conflicting results. Therefore, we performed a meta-analysis to further examine this relationship.The authors searched the PubMed and Embase databases from inception through July 2020 to identify studies that assessed the relationship between hospital annualized SAH case volume and in-hospital SAH mortality. Studies that reported in-hospital mortality in SAH patients and an adjusted odds ratio (OR) comparing mortality between low-volume and high-volume hospitals or provided core data to calculate an adjusted OR were eligible for inclusion. No language or human subject restrictions were imposed.Five retrospective cohort studies with 46,186 patients were included for analysis. The pooled estimate revealed an inverse relationship between annualized case volume and in-hospital mortality (OR, 0.53; 95% confidence interval, 0.42-0.68, P < .0001). This relationship was consistent in almost all subgroup analyses and was robust in sensitivity analyses.This meta-analysis confirms an inverse relationship between hospital annualized SAH case volume and in-hospital SAH mortality. Higher annualized case volume was associated with lower in-hospital mortality.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9191364 | PMC |
| http://dx.doi.org/10.1097/MD.0000000000027852 | DOI Listing |
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