Supplementary Table 1. Patient characteristics and association with 30-days and 90-days readmission rate.

Characteristics		30-days readmission		90-days readmission
		OR (95% CI)	P	OR (95% CI)	P
Gender (Male vs. Female 1)		0.993 (0.469-2.099)	0.986	0.952 (0.475-1.909)	0.891
Age (<70vs. ≥70 1)		0.663 (0.326-1.347)	0.256	0.490 (0.250-0.960)	0.037
BMI
	30-40 vs. <301	1.643 (0.804-3.361)	0.173	1.713 (0.879-3.337)	0.113
	≥40 vs. <301	1.800 (0.551-5.871)	0.329	1.692 (0.547-5.229)	0.361
Method of Diversion (ICUD vs. ECUD 1)		1.272 (0.383-4.228)	0.693	0.726 (0.323-1.632)	0.439
Diversion type
	Indiana Pouch vs. Ileal conduit1	1.355 (0.503-3.654)	0.548	1.822 (0.727-4.565)	0.200
	Neobladder vs. Ileal conduit1	1.475 (0.664-3.277)	0.339	1.735 (0.818-3.677)	0.150
	Others vs. Ileal conduit1	2.194 (0.346-13.909)	0.404	3.827 (0.607-24.101)	0.152
Preoperative diagnosis (Others vs. Bladder cancer 1)		1.313 (0.571-3.022)	0.521	1.471 (0.675-3.206)	0.331
Smoking status
	Former smoker vs. Never smoker1	1.968 (0.760-5.093)	0.162	1.534 (0.664-3.540)	0.316
	Current smoker vs. Never smoker1	1.545 (0.563-4.237)	0.398	1.104 (0.451-2.703)	0.827
Diabetes Mellitus (Yes vs. No1)		1.581 (0.781-3.199)	0.202	1.477 (0.760-2.871)	0.249
Neoadjuvant Chemotherapy (Yes vs. No1)		0.990 (0.483-2.032)	0.979	0.855 (0.435-1.681)	0.650
Intravesical treatment (Yes vs. No1)		0.826 (0.344-1.982)	0.668	0.773 (0.342-1.748)	0.537
Pelvic Radiation therapy (Yes vs. No1)		1.450 (0.510-4.118)	0.485	1.647 (0.613-4.424)	0.322
ECOG (0 vs. ≥11)		0.608 (0.287-1.287)	0.194	0.550 (0.274-1.103)	0.092
ASA (≥4 vs. ≤31)		1.862 (0.717-4.835)	0.201	1.929 (0.768-4.847)	0.162
ACCI (≥7 vs. ≤61)		1.580 (0.754-3.312)	0.225	1.431 (0.709-2.888)	0.317

ECUD = extracorporeal urinary diversion; ICUD = intracorporeal urinary diversion; SD = standard deviation

¹calculated as a reference