Table 5.

Multivariable Cox regression model to identify factors associated with all-cause mortality.

	Univariate		Multivariate
Variables	Hazard ratio (95% CI)	p Values	Hazard ratio (95% CI)	p Values
Chronic thrombus	1.78 (1.18–2.70)	<0.01	2.03 (1.07–3.87)	0.03
Simplified PESI	2.21 (1.76–2.78)	<0.01	2.07 (1.52–2.80)	<0.01
Anticoagulant use	0.24 (0.16–0.36)	<0.01	0.23 (0.12–0.43)	<0.01
BMI (kg/m2)	0.85 (0.79–0.90)	<0.01	0.89 (0.83–0.96)	<0.01
Clinical risk	0.97 (0.70–1.35)	0.86	NA	NA

Note: Backward LR method.

BMI: body mass index; PESI: pulmonary embolism severity index.