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. 2020 Dec 28;222(2):431–437. doi: 10.1016/j.amjsurg.2020.12.024

Table 3.

Odds ratios (95% confidence intervals) for 30-day postoperative outcomes by time interval from positive COVID-19 test to procedure after propensity score matching.

COVID-19 Negative (n = 1256) COVID-19 Positive
Interval between testing and date of procedure
≤10 days (n = 70) 11–30 days (n = 96) >30 days (n = 266)
Pneumonia Reference 7.7 (4.4–13.3) 6.2 (3.7–10.1) 2.7 (1.8–4.1)
Postoperative mechanical ventilation Reference 3.1 (1.3–6.4) 3.1 (1.5–5.9) 1.3 (0.7–2.3)
ARDS Reference 4.0 (2.2–7.2) 4.5 (2.7–7.5) 2.0 (1.3–3.0)
Septic shock Reference 3.4 (1.8–6.2) 2.7 (1.5–4.8) 1.7 (1.1–2.6)
Myocardial infarction Reference 2.2 (0.6–5.7) 1.6 (0.5–4.0) 1.7 (0.8–3.2)
Ischaemic stroke Reference 1.0 (0.2–3.3) 3.4 (1.5–7.0) 1.8 (0.9–3.4)

ARDS: Acute respiratory distress syndrome.