Table 2

Serum PSA levels in white men with various genotypes at AR polymorphisms

Genotypes	log₁₀ (PSA)					PSA Mean	P
Genotypes		n	Mean	SD		PSA Mean	P
Nonprostate cancer, all PSA levels
CAG repeats
< = 21	192	0.06	0.4	1.15
> = 22	203	0.02	0.41	1.05	0.46
GGC repeats
< = 16	251	0.05	0.39	1.12
> = 17	147	0.02	0.44	1.05	0.6
Nonprostate cancer, PSA < 4 ng/ml
CAG repeats
< = 21	179	0	0.35	1
> = 22	182	−0.07	0.32	0.85	0.052
GGC repeats
< = 16	229	−0.03	0.31	0.93
> = 17	135	−0.05	0.37	0.89	0.5