Table 1.

Demographic and Clinical Characteristics of Sample

	Subjects (N = 25)			Controls (N = 25)
	Mean/SD	Range	N (%)	Mean/SD	Range	N (%)	Normal Range	P
Age in years	64.4/7.7	49-81	23 (100)	59.6/6.8	45-77	25 (100)		.67
Ethnic
Caucasian			17 (68)			17 (68)
African-American			5 (20)			5 (20)
Others			3 (12)			3 (12)
Clinical T stage
T1 (a-c)			6 (24)			23 (92)
T2 (a-c)			15 (60)			2 (8)
T3 (a-c)			4 (16)
Gleason score (median)	6.5/1.1	7-9		3.8/1.1	1-4			.01
Karnofsky score	89.6/2	80-90		95.3/1.3	90-100			.09
BMI	30.1/4.2	22.9-40.7		32.8/3.6	24.9-39.7
Depression
Baseline	1.2/2.1	0-8		0.5/0.6	0-2			.11
Midpoint	2.9/3.9	0-13
Completion	1.8/2.2	0-8
PSA Levels (ng/mL)							0.0-4.0
Baseline	21.2/27.4	0.61-111
Completion	0.46/0.98	0.01-4.84
Hematocrit (%)							40.1-51.0
Baseline	40.3/3.8	32.9-46.9
Completion	36.8/2.9	33.0-42.0
Albumin Levels (g/dL)							3.7-4.7
Baseline	3.9/0.3	3.5-4.5
Testosterone (ng/dL)							181-758
Baseline	245.7/168.1	20-537
TSH (μIU/mL)							0.4-4.0
Baseline	1.8/1.2	0.17-3.8
Total dosage of EBRT (Gray)
75.6			23 (92)
68.4			2 (8)

ng/dL = nanogram per deciliter; μIU/mL = micro International Units per milliliter; ng/mL = nanogram per milliliter; BMI= body mass index, PSA= prostate specific antigen, ng= nanogram, ml= milliliter, g= gram, dl= deciliter, TSH= thyroid stimulating hormone, mcl= microliter, EBRT= external beam radiation therapy