Table 2. Selected Treatments for Prostate Cancer With 1 Year After Diagnosis^*.

Characteristics	Year of Diagnosis									P Value†
	1999 (n = 2151)	2000 (n = 2106)	2001 (n = 2150)	2002 (n = 2448)	2003 (n = 2345)	2004 (n = 2349)	2005 (n = 2380)	2006 (n = 2538)	2007 (n = 2451)
No active therapy, No. (%)	345 (16.0)	313 (14.9)	296 (13.8)	394 (16.1)	344 (14.7)	382 (16.3)	534 (22.4)	544 (21.4)	551 (22.5)	<.001
Radiation therapy, No. (%)	998 (46.4)	982 (46.6)	1037 (48.2)	1185 (48.4)	1130 (48.2)	1114 (47.4)	1112 (46.7)	1266 (49.9)	1197 (48.8)	.05
Brachytherapy	380 (17.7)	388 (18.4)	428 (19.9)	491 (20.1)	464 (19.8)	467 (19.9)	438 (18.4)	471 (18.6)	425 (17.3)	.43
External beam
2-D	52 (2.4)	38 (1.8)	36 (1.7)	26 (1.1)	24 (1.0)		12 (0.5)	14 (0.6)	11 (0.4)	<.001
3-D conformal	767 (35.7)	755 (35.8)	756 (35.2)	775 (31.7)	561 (23.9)	466 (19.8)	354 (14.9)	319 (12.6)	221 (9)	<.001
IMRT			20 (0.9)	151 (6.2)	345 (14.7)	482 (20.5)	574 (24.1)	747 (29.4)	761 (31.0)	<.001
Surgery, No. (%)	<310 (<13.0)	<310 (<13.0)	<310 (<13.0)	<310 (<13.0)	298 (12.7)	304 (12.9)	339 (14.2)	343 (13.5)	386 (15.7)	.16
Open	299 (13.9)	305 (14.5)	295 (13.7)	283 (11.6)	281 (12.0)	259 (11.0)	246 (10.3)	214 (8.4)	197 (8.0)	<.001
Minimally invasive					17 (0.7)	45 (1.9)	93 (3.9)	129 (5.1)	189 (7.7)	<.001
ADT, No. (%)	1187 (55.2)	1140 (54.1)	1184 (55.1)	1345 (54.9)	1265 (53.9)	1267 (53.9)	1030 (43.3)	1093 (43.1)	880 (35.9)	<.001
ADT monotherapy, No. (%)	531 (24.7)	522 (24.8)	539 (25.1)	602 (24.6)	601 (25.6)	567 (24.1)	419 (17.6)	414 (16.3)	345 (14.1)	<.001

Abbreviation: ADT, androgen deprivation therapy; IMRT, intensity-modulated radiation therapy.

^*Where cells had 10 or fewer observations, data have been suppressed to protect patient confidentiality.

^†From Cochran-Mantel-Haenszel tests for associations between characteristic and year of diagnosis.