Table 1.

Selected demographic characteristics of study subjects.

Characteristics	Cases	Control	p
Number of subjects	286	288	-
Age, years (mean [SD])	72.30 (7.458)	70.47 (7.604)	0.005
Range	46–93	59–89	-
PSA (ng/mL)
Range	0.15–1338	0–4	–
<10	102	–	–
10–20	40	–	–
>20	78	–	–
Gleason score	146	–	–
4–6	51	–	–
7	50	–	–
8–10	45	–	–
Tumor stage	138	–	–
I	9	–	–
II	69	–	–
III	46	–	–
IV	14	–	–
Aggressiveness	163	–	–
Nonaggressive PCa	48	–	–
Aggressive PCa	115	–	–
A positive family history of PCa	8	–	–
BMI	134	–	–
<24.0	57	–	–
24–28	61	–	–
≥28	16	–	–
Smoking	134	–	–
Never	73	–	–
Current	61	–	–
Drinking	134	–	–
Seldom	116	–	–
Often	18	–	–