CMAJ open
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Despite evidence in favour of early cholecystectomy for most patients with acute cholecystitis, variation in practice has been reported across hospitals worldwide. We sought to characterize the extent and potential sources of variation in the performance of early cholecystectomy for acute cholecystitis within a large regional health care system. ⋯ Across the hospitals of a regional health care system, similar patients with acute cholecystitis did not receive comparable care. Hospital-specific initiatives should be considered to facilitate early cholecystectomy for patients with acute cholecystitis.