Table 2. Comparison of patient characteristics according to AR-V7 expression.

	AR-V7 expression
Characteristics	positive	negative	p Value
Cohort 2 (Metastatic PCa)
Age at diagnosis (years)			0.694
Median (range)	72 (47–84)	70 (48–83)
PSA at diagnosis (ng/ml)			0.014
Median (range)	84.8 (4.5–922.5)	130.3 (3.0–6006.2)
Gleason score at diagnosis (n, %)			0.462
≤6	3 (13.6)	8 (9.8)
7	5 (22.7)	30 (36.6)
≥8	14 (63.6)	44 (53.7)
M Stage at diagnosis (n, %)			0.771
M1a	1 (4.5)	4 (4.9)
M1b	18 (81.8)	71 (86.6)
M1c	3 (13.6)	7 (8.5)
Cohort 3 (CRPC)
Age at TURP (years)			0.383
Median (range)	66 (52–83)	70 (52–80)
PSA at TURP (ng/ml)			0.045
Median (range)	22.7 (0.5–233.7)	94.0 (5.5–3409.6)
ADT prior to TURP (n, %)			0.356
Castration	1 (3.7)	2 (10.5)
Castration plus anti-androgen	26 (96.3)	17 (89.5)
Radiation prior to TURP (n, %)			0.225
Yes	2 (7.4)	0 (0.0)
No	25 (92.6)	19 (100.0)
Chemotherapy prior to TURP (n, %)			0.278
Yes	6 (22.2)	7 (36.8)
No	21 (77.8)	12 (63.2)