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. 2021 Mar 21;45(6):1652–1662. doi: 10.1007/s00268-021-06068-6

Table 7.

Relative risk analysis

Outcome COVID-19 (+) COVID-19 (−) RR 95% CI p value
30-day mortality 5/39 9/662 9.43 3.31–26.79  < 0.001
30-day mortality, excluding postoperative COVID 2/20 9/662 7.35 1.69–31.86 0.007
Major complications* 10/39 45/662 3.77 2.06–6.90  < 0.001
Major complications*, excluding postoperative COVID 2/20 45/662 1.47 0.38–5.64 0.573

*Clavien-Dindo ≥ III