Table 3:

Multivariable Hazard Ratio Estimates for the Risk of Left Ventricular Assist Device Outcomes by BMI Categories

	Mortality on LVAD support			Heart Transplantation
	HR	95.0% CI for HR	p-value	HR	95.0% CI for HR	p-value
BMI
Underweight	0.927	0.755 – 1.138	0.467	0.927	0.774 – 1.110	0.410
Normal BMI (reference)	1.000			1.000
Overweight	1.049	0.966 – 1.139	0.256	0.997	0.922 – 1.079	0.940
Moderately Obese	1.030	0.938 – 1.130	0.538	0.886	0.811 – 0.968	0.007
Severely Obese	1.105	0.997 – 1.226	0.058	0.571	0.509 – 0.642	<0.001
	Infection			Device Malfunctkan or Thrombosis
	HR	95.0% CI for HR	p-value	HR	95.0% CI for HR	p-value
BMI
Underweight	1.069	0.929 – 1.230	0.351	1.005	0.820 – 1.232	0.960
Normal BMI(reference)	1.000			1.000
Overweight	1.060	0.997 – 1.128	0.061	1.060	0.972 – 1.157	0.189
Moderately Obese	1.109	1.037 – 1.187	0.003	1.166	1.062 – 1.280	0.001
Severely Obese	1.215	1.128 – 1.309	<0.001	1.323	1.198 – 1.462	<0.001
	Bleeding			Cardiac Arrhythmia
	HR	95.0% CI for HR	p-value	HR	95.0% CI for HR	p-value
BMI
Underweight	1.037	0.896 – 1.200	0.626	1.113	0.932 – 1.328	0.238
Normal BMI (reference)	1.000			1.000
Overweight	0.952	0.894 – 1.015	0.132	1.067	0.986 – 1.154	0.109
Moderately Obese	0.894	0.833 – 0.961	0.002	1.217	1.079 – 1.309	<0.001
Severely Obese	0.906	0.836 – 0.983	0.018	1.188	1.097 – 1.277	<0.001
	Neurological Event			Hospital Readmission
	HR	95.0% CI for HR	p-value	HR	95.0% CI for HR	p-value
BMI
Underweight	1.054	0.858 – 1.297	0.615	1.180	1.056 – 1.317	0.003
Normal BMI (reference)	1.000			1.000
Overweight	1.093	0.999 – 1.197	0.053	1.044	0.995 – 1.096	0.078
Moderately Obese	1.007	0.910 – 1.115	0.888	1.027	0.974 – 1.084	0.323
Severely Obese	1.037	0.926 – 1.163	0.527	1.073	1.010 – 1.140	0.022