Table 1.

Baseline Patient Characteristics by Treatment Groups

Characteristics	Prostatectomy N = 27,776			IMRT N = 49,788			Brachytherapy N = 8,121			Proton N=1,849			SBRT N = 2,368
	No.	%		No.	%		No.	%		No.	%		No.	%
Age, years
66–69	14,503	52		11,594	23		2,726	34		640	35		671	28
70–74	10,913	39		18,727	38		3,332	41		760	41		933	39
75–79	2,176	8		13,494	27		1,664	18		337	18		556	23
≥80	184	1		5,973	12		399	5		112	6		208	9
Year of first biopsy
2011	12,191	44		20,041	40		3,827	47		788	43		834	35
2012	7,160	26		13,165	26		2,139	26		509	28		620	26
2013	5,368	19		10,640	21		1,465	18		358	19		585	25
2014	3,057	11		5,942	12		690	8		194	10		329	14
Race
White	24,356	88		41,216	83		6,867	85		1,661	90		2,049	87
Black	2,215	8		6,147	12		931	11		120	6		222	9
Hispanic	248	1		702	1		43	1		<11	NAa		15	1
Other	957	3		1,723	3		280	3		>20	NAa		82	3
Charlson Index
0	18,634	67		28,059	56		4,930	61		1,245	67		1,449	61
1	4,480	16		10,409	21		1,550	19		278	15		418	18
≥2	1,917	7		7,340	15		831	10		160	9		316	13
Unknown	2745	10		3,980	8		810	10		166	9		185	8
Region
New England	1,288	5		2,507	5		337	4		27	1		102	4
Mid Atlantic	2,313	8		7,794	16		724	9		141	8		528	22
East North Central	4,361	16		7,275	15		1363	17		178	10		251	11
West North Central	2,435	9		2,879	6		619	8		46	2		120	5
South Atlantic	4,930	18		11,252	23		2,263	28		498	27		496	21
East South Central	2,385	9		2,816	6		696	9		102	6		161	7
West South Central	2,906	10		5,879	12		469	6		271	15		96	4
Mountain	1,821	7		2,666	5		341	4		1115	6		244	10
Pacific	3,834	14		4,355	9		821	10		362	20		275	12
Unknown	1,503	5		2,365	5		489	6		109	6		95	4
ADT use
No	25,128	90		25,154	51		5,439	67		1,299	70		1955	83
Yes	2,648	10		24634	49		2,682	33		550	30		413	17
State buy-in
Partial / no	26,531	96		45,846	92		7,711	95		1,818	98		2,255	95
Full	1,245	4		3,942	8		410	5		31	2		113	5

^aCell sizes <11 have been suppressed in accordance with Centers for Medicare and Medicaid Services privacy policies

Abbreviations: IMRT, intensity-modulated radiation therapy; SBRT, stereotactic body radiation therapy; ADT, androgen deprivation therapy.