Additional file 1 of The incidence of acute myocardial infarction after elective spinal fusions or joint replacement surgery in the United States: a large-scale retrospective observational cohort study in 322,585 patients

Additional file 1: Supplemental Table 1. Incidence rate of acute myocardial infarction in patients undergoing elective spinal fusion during selected risk windows, crude and stratified by selected characteristics. Supplemental Table 2. Incidence rate of acute myocardial infarction in patients undergoing elective total hip arthroplasty during selected risk windows, crude and stratified by selected characteristics. Supplemental Table 3. Incidence rate of acute myocardial infarction in patients undergoing elective total knee arthroplasty during selected risk windows, crude and stratified by selected characteristics.

附加文件1：
补充表1：择期脊柱融合术患者在选定风险窗口期内的急性心肌梗死（acute myocardial infarction）发生率，含粗率及按选定特征分层后的统计结果。
补充表2：择期全髋关节置换术（total hip arthroplasty）患者在选定风险窗口期内的急性心肌梗死发生率，含粗率及按选定特征分层后的统计结果。
补充表3：择期全膝关节置换术（total knee arthroplasty）患者在选定风险窗口期内的急性心肌梗死发生率，含粗率及按选定特征分层后的统计结果。