Table 3.

Baseline cohort characteristics

	Metastasis
	None	Pelvic Lymph   Node	Distant
No. pts	417,893	6,416	18,691
Age:
Mean ± SD*	66.0 ± 8.5	64.1 ± 7.8	70.6 ± 10.5
No. 50–74	348,025 (83.3)	5,784 (90.1)	11,788 (63.1)
No. 75 or greater	69,868 (16.7)	632 (9.9)	6,903 (36.9)
No. diagnosis yr (%):
2004–2008*	191,911 (45.9)	2,335 (36.4)	7,749 (41.5)
2009–2014	225,982 (54.1)	4,081 (63.6)	10,942 (58.5)
No. race/ethnicity (%):
Caucasian,	288,532 (69.0)	4,429 (69.0)	11,664 (62.4)
nonHispanic*
African American,	37,218 (8.9)	696 (10.8)	2,217 (11.9)
nonHispanic
Hispanic	60,923 (14.6)	909 (14.2)	3,493 (18.7)
Other	31,220 (7.5)	382 (6.0)	1,317 (7.0)
No. region (%):
Northeast*	71,730 (17.2)	953 (14.9)	2,818 (15.1)
South	95,745 (22.9)	1,142 (17.8)	3,961 (21.2)
West	208,333 (49.9)	3,614 (56.3)	10,038 (53.7)
Midwest	42,085 (10.1)	707 (11.0)	1,874 (10.0)
No. pathology finding (%):
T1*	264,507 (63.3)	2,388 (37.2)	4,591 (24.6)
T2	144,458 (34.6)	2,552 (39.8)	5,848 (31.3)
T3	7,841 (1.9)	1,019 (15.9)	1,766 (9.4)
T4	1,087 (0.3)	328 (5.1)	2,333 (12.5)
Missing	—	129 (2.0)	4,153 (22.2)
No. N1 stage (%):
N0*	417,893 (100.0)	—	9,606 (51.4)
N1	—	6,416 (100.0)	4,256 (22.8)
Missing	—	—	4,829 (25.8)
No. M1 stage (%):
No	417,893 (100.0)	6,416 (100.0)	—
Yes	—	—	18,691 (100.0)
No. Gleason grade (%):
6 or Less*	201,969 (48.3)	559 (8.7)	1,576 (8.4)
7 or Greater	208,898 (50.0)	5,705 (88.9)	13,887 (74.3)
Unknown	7,026 (1.7)	152 (2.4)	3,228 (17.3)

^*p <0.01.