• Tak Kyu Oh, You Hwan Jo, and In-Ae Song.
• Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, Seongnam, South Korea; Department of Anesthesiology and Pain Medicine, College of Medicine, Seoul National University, Seoul, South Korea.
• Resuscitation. 2022 May 1; 174: 75-82.

AimWe investigated the association between physician turnover and survival outcomes after in-hospital cardiopulmonary resuscitation (ICPR) in South Korea.MethodsThis population-based cohort study used the South Korean national registration database as the data source. All adult patients admitted to the hospital and who underwent ICPR between 1 January 2010 and 31 December 2019, were included. Patients who underwent ICPR in March were included in the turnover group, while those who underwent ICPR in the other months were included in the non-turnover group. Propensity score (PS) matching was performed.ResultsOverall, 298,676 adult patients who underwent ICPR in 2,553 South Korean hospitals were included in the analysis. Among them, 26,342 (8.8%) and 272,334 (91.2%) were included in the turnover and non-turnover groups, respectively. In total, 7,009 (26.6%) and 6,903 (26.2%) of the 26,342 patients each in the turnover and non-turnover groups, respectively, were discharged alive after ICPR. Using logistic regression analysis in the PS-matched cohort, the two groups did not show any significant association in the live discharge rate after ICPR (odds ratio: 1.02, 95% confidence interval: 0.98, 1.06; P = 0.295). This non-significant association was also observed in patients who underwent ICPR in tertiary general hospitals that had cardiopulmonary resuscitation teams for ICPR (P = 0.136). Moreover, the median survival time in the turnover and non-turnover groups was 4.0 days (95% confidence interval: 3.8 days, 4.2 days; log-rank test, P = 0.796).ConclusionSignificant association between physician turnover and survival outcomes was not observed after ICPR in South Korea.Copyright © 2022 Elsevier B.V. All rights reserved.

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