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

Table 3 Pairwise comparison of disease specific survival according to body mass index

	BMI	0		1		2		3
		χ2	Sig.	χ2	Sig.	χ2	Sig.	χ2	Sig.
Log rank (Mantel-cox)	0			1.204	0.272	2.144	0.143	7.160	0.007
	1	1.204	0.272			0.961	0.327	5.838	0.0162
	2	2.144	0.143	0.961	0.327			2.189	0.139
	3	7.160	0.0071	5.838	0.016	2.189	0.139

¹DSS for underweight vs obese: 0.007.

²DSS for obese vs normal: 0.016. BMI: Body mass index; DSS: Disease specific survival; 0: Underweight; 1: Normal; 2: Overweight; 3: Obese.