Perioperative outcomes and survival of radical cystectomy as a function of body mass index

Table 4 Cox stepwise multivariate regression

		HR (95%CI)	P value
Age at surgery ≥ 65 yr		1.62 (1.15-2.29)	0.006
Gender			0.330
BMI	Normal weight (BMI 18.5-24.9)	Referent	0.015
	Underweight (BMI ≤ 18.5)	3.13 (1.39-7.07)	0.006
	Overweight (BMI 25.0-29.9)	0.94 (0.64-1.38)	0.764
	Obese (BMI ≥ 30)	0.83 (0.56-1.24)	0.370
Coronary artery disease			0.808
Cardiac arrhythmia			0.722
Pulmonary disease			0.192
Hypertension			0.110
Diabetes mellitus, type II			0.217
Smoking history			0.657
Intravesical therapy			0.560
Neoadjuvant chemotherapy		2.02 (1.14-3.56)	0.015
Adjuvant chemotherapy			0.251
Pathologic stage	pT0	Referent	< 0.001
	pT1-2N0	0.78 (0.30-1.99)	0.602
	pT3-4N0	1.47 (0.56-3.80)	0.430
	pT × N1	2.48 (0.91-6.77)	0.076
	pT × N2-3	3.73 (1.43-9.74)	0.007

BMI: Body mass index.