Table 1. Demographic and clinicopathological characteristics of 1817 PCa patients and 2026 controls included in the study.

Variables	Cases (n = 1817)	Controls (n = 2026)	P
Age (yr), mean ± SD	66.7 ± 7.2	66.9 ± 6.8	0.437
BMI (Kg/m2), n (%)			0.877
<25	1308 (72.0)	1463 (72.2)
≥25	509 (28.0)	563 (27.8)
Hypertension, n (%)			0.424
No	1054 (58.0)	1201 (59.3)
Yes	763 (42.0)	825 (40.7)
Diabetes mellitus, n (%)			0.926
No	1636 (90.0)	1826 (90.1)
Yes	181 (10.0)	200 (9.9)
Cardiovascular disease, n (%)			0.631
No	1660 (91.4)	1842 (90.9)
Yes	157 (8.6)	184 (9.1)
PSA (ng/mL), mean ± SD	28.5 ± 1.3	1.2 ± 0.3	< 0.001
Gleason score, n (%)
≤6	289 (15.9)
7	923 (50.8)
≥8	605 (33.3)
Pathological tumor stage, n (%)
T2	1231 (67.7)
T3a	160 (8.8)
T3b	426 (23.4)
Positive surgical margins, n (%)	352 (19.4)
Lymph node involvement, n (%)	154 (8.5)