Table 5.

Subgroup multivariate regression analysis of adverse outcomes by prophylaxis.

Outcome	OR (95% CI)	P-value
Any Complication	0.48 (0.26–0.88)	0.0151
VTE (PE or DVT)	0.42 (0.21–0.87)	0.0161
PE	0.22 (0.07–0.67)	0.0069
DVT	0.53 (0.24–1.24)	0.126
ARDS	2.16 (0.49–16.89)	0.374

VTE: venous thromboembolism, DVT: deep vein thrombosis, PE: pulmonary embolism, ARDS: acute respiratory distress syndrome.

Reference group for multivariable analysis was prophylactic agent of ‘Unfractionated Heparin’.