Obesity Paradox of All-Cause Mortality in 4,133 Patients Treated with Coronary Revascularization

Table 3

Cox regression analyses of the relationship between BMI and all-cause mortality for patients after PCI.

Univariate				Model I			Model II
BMI	HR (95% CI)		value	HR (95% CI)		value	HR (95% CI)		value
Normal	Reference			Reference			Reference
Underweight	0.911	0.415–2.000	0.817	1.027	0.446–2.365	0.950	0.390	0.166–0.916	0.031
Overweight	0.613	0.432–0.871	0.006	0.672	0.469–0.963	0.030	0.675	0.468–0.972	0.035
Obesity	0.591	0.404–0.865	0.007	0.742	0.498–1.108	0.144	0.680	0.458–1.009	0.056
for trend			0.002			0.056			0.054

Model I: adjust with age, sex, race, and marital status. Model II: adjust with sex, ECI, urine output, heart rate, temperature, hematocrit, RDW, and ventilator.