Table 1. Patient characteristics.

	Current Smokers	Ex-Smokers	Non-Smokers
	(n = 18)	(n = 46)	(n = 19)
Gender, n (%)
Female	1 (5.6%)	8 (17.4%)	9 (47.4%)
Male	17 (94.4%)	38 (82.6%)	10 (52.6%)
Age, median (IQR) †	62 (48–74)	67 (44–84)	60 (45–83)
Race
Caucasian	15 (83.3%)	39 (84.8%)	17 (89.5%)
Black	2 (11.1%)	3 (6.6%)	0 (0%)
Asian	0 (0%)	2 (4.3%)	2 (10.5%)
Other	1 (5.6%)	2 (4.3%)	0 (0%)
Prior Pelvic Radiation
Yes	6 (33.3%)	10 (21.7%)	2 (10.5%)
No	12 (66.7%)	36 (78.3%)	17 (89.5%)
Prior Cystectomy
Yes	10 (55.6%)	29 (63.0%)	17 (89.5%)
No	8 (44.4%)	17 (37.0%)	2 (10.5%)
Histology
Pure urothelial	13 (72.2%)	25 (54.3%)	16 (84.2%)
Mixed	0 (0%)	4 (8.7%)	1 (5.3%)
Not Available	5 (27.8%)	17 (37.0%)	2 (10.5%)
Neoadjuvant chemo
Yes	5 (27.8%)	13 (28.3%)	6 (31.6%)
No	13 (72.2%)	33 (71.7%)	13 (68.4%)
Adjuvant chemo
Yes	2 (11.1%)	2 (4.3%)	4 (21.1%)
No	16 (88.9%)	44 (95.7%)	15 (78.9%)
Lines of therapy for metastatic disease
0	1 (5.6%)	8 (17.4%)	2 (10.5%)
1	5 (27.8%)	13 (28.3%)	6 (31.6%)
2	6 (33.3%)	13 (28.3%)	8 (42.1%)
3	6 (33.3%)	5 (10.9%)	2 (10.5%)
> 3	0 (0%)	7 (15.1%)	1 (5.3%)