Does Categorization Method Matter in Exploring Volume-Outcome Relation? A Multiple Categorization Methods Comparison in Coronary Artery Bypass Graft Surgery Surgical Site Infection
作者： Tsung-Hsien Yu , Yu-Chi Tung , Kuo-Piao Chung
DOI: 10.1089/SUR.2014.075
关键词:
摘要: Abstract Background: Volume-infection relation studies have been published for high-risk surgical procedures, although the conclusions remain controversial. Inconsistent results may be caused by inconsistent categorization methods, definitions of service volume, and different statistical approaches. The purpose this study was to examine whether a exists between provider volume coronary artery bypass graft (CABG) site infection (SSI) using methods. Methods: A population-based cross-sectional multi-level conducted. total 10,405 patients who received CABG surgery 2006 2008 in Taiwan were recruited. outcome interest surgery. associations among several patient, surgeon, hospital characteristics examined. definition surgeons' hospitals' cumulative volumes previous year each operation categorized three types ...
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