From: Dosing of thromboprophylaxis and mortality in critically ill COVID-19 patients
Initial dosing strategy of thromboprophylaxis | No. of patients | Events/person-days | IR per 1.000 person-days (95% CI) | HR (95% CI) of death ≤ 28 days | ||
---|---|---|---|---|---|---|
Univariable model | Multivariable modela | Multivariable imputed modelb | ||||
High dosec | 37 | 5/923 | 5.4 (2.3–13.0) | 0.31 (0.12–0.82) | 0.33 (0.13–0.87) | 0.30 (0.11–0.81) |
Medium dosed | 48 | 12/1182 | 10.2 (5.8–17.9) | 0.59 (0.30–1.16) | 0.88 (0.43–1.83) | 0.87 (0.42–1.82) |
Low dosee | 67 | 26/1453 | 17.9 (12.2–26.3) | 1.00 (Ref.) | 1.00 (Ref.) | 1.00 (Ref.) |