Surgical readmissions have been extensively studied in North America, but very few data from other countries are available. We aimed to describe surgical readmissions in France and to assess their association with hospital status, surgical volume, and day surgery activity. We performed a cross-sectional study encompassing all 1270 French hospitals, except for military hospitals and hospitals with very small volume. Data were retrieved from the national database regarding all patients undergoing surgery between January 1, 2010 and November 30, 2010. The main outcome measure was 30-day readmission rate. Association with hospital status, surgical volume, and the level of day surgery were assessed. Risk adjustment was performed based upon administrative categories. After exclusion of deaths and hospital transfers, there were 1,686,602 patients in the study cohort. Thirty-day readmission rate was 5.9 %. Distribution was skewed, with 21.5 % of procedures accounting for 33.5 % of all 30-day readmissions. Early readmissions (≤3 days) were associated with higher mortality as compared to those occurring later (>7 days) (3.2 vs. 2.6 %; p
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