Table 1.

Baseline Patient Characteristics, Clinical and Pathologic Findings (n = 134)

Characteristic	Total Patients n (%)	Bladder  (n = 94)  n (%)	Kidney  (n = 32)  n (%)	Ureter  (n = 2)  n (%)	Urethra  (n = 2)  n (%)	Unknown (n = 4) n (%)
Age at diagnosis (years)
Median	63	68	49	65	61	55
Range	22–89	25–89	22–78	56–73	53–68	39–84
Time to last follow-up
Median (months)	25	18	64	11	34	16
Na	130	91	31	2	2	4
Demographics
Sex
Female	40 (29.9)	21 (22.3)	17 (53.1)	1 (50)	2 (100)	3 (75)
Male	94 (70.2)	73 (77.6)	15 (46.8)	1 (50)	0	1 (25)
Hispanic/Latino
Yes	9 (6.7)	7 (7.45)	2 (6.3)	0	0	0
No	120 (89.6)	82 (87.2)	30 (93.7)	2 (100)	2 (100)	4 (100)
Unknown	5 (3.7)	5 (5.32)	0	0	0	0
Race
American Indian/Alaska native	2 (1.49)	0	2 (6.3)	0	0	0
Asian	12 (8.96)	7 (7.5)	4 (12.5))	0	0	1 (25)
Black/African American	4 (2.99)	3 (3.2)	1 (3.13)	0	0	0
Native Hawaiian/Other Pacific Islander	2 (1.49)	0	2 (6.3)	0	0	0
Other Race	8 (5.97)	6 (6.4)	2 (6.3)	0	0	0
White	103 (76.87)	75 (79.8)	21 (65.6)	2 (100)	2 (100)	3 (75)
Not reported	3 (2.24)	3 (3.2)	0	0	0	0
Metastatic at diagnosis
No	91 (67.9)	69 (73.4)	20 (63)	1 (50)	1 (50)	0
Yes	41 (30.5)	25 (26.6)	10 (31)	1 (50)	1 (50)	4 (100)
Not reported	2 (1.49)	0	2 (6.2)	-	-	-
Differentiation
Well	27 (20.2)	0	25 (78.1)	0	1 (50)	1 (25)
Poorly	95 (70.9)	87 (92.6)	3 (9.4)	2 (100)	1 (50)	2 (50)
Ambiguous/Not reported	12 (8.9)	7 (7.4)	4 (12.5)	0	0	1 (25)
Grade
1	9 (6.7)	1 (1.06)	8 (25)	0	0	0
2	18 (13.4)	0	15 (46.9)	1 (50)	1 (50)	1 (25)
3	99 (73.9)	89 (94.7)	5 (15.6)	1(50)	1 (50)	3 (75)
Not reported	8 (6.0)	4 (4.24)	4 (12.5)	0	0	0
Available Ki-67
Median (N, Range)	70 (53, 1–100)	90 (24, 40–100)	10 (23, 1–90)	95 (1, NA)	54 (2, 13–95)	90 (3, 20–95)
Additional clinical features
Horseshoe kidney
No	128 (95.5)	93 (99)	27 (84)	2 (100)	2 (100)	4 (100)
Yes	5 (3.7)	0	5 (16)	0	0	0
Unknown	1 (0.8)	1 (1)	0	0	0	0

^a4 pts was excluded due to unknown survival status at the time of data collection