Preoperative COVID-19
Preoperative COVID-19 was defined as a positive SARS-CoV-2 RT-PCR or rapid antigen test within 12 weeks before surgery. COVID-19 within 12 weeks before surgery was not significantly associated with 30-day major postoperative pulmonary comp…
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Preoperative COVID-19 was defined as a positive SARS-CoV-2 RT-PCR or rapid antigen test within 12 weeks before surgery. COVID-19 within 12 weeks before surgery was not significantly associated with 30-day major postoperative pulmonary complication risk after IPTW adjustment. Unexpected postoperative ventilation was significantly higher in the COVID-19 group after adjustment.