Table 1.

Subject characteristics (mean ± SD).

	Total	Low PSA	High PSA	p-values
N	196	160	36	-
Age (years)	69.76 ± 10.58	69.38 ± 10.92	71.45 ± 8.85	0.29
Sex (F/M)	95/101	83/77	12/24	0.04
Education (years)	15.83 ± 2.56	15.76 ± 2.63	16.17 ± 2.24	0.39
MMSE	28.96 ± 1.24	28.89 ± 1.29	29.28 ± 0.97	0.09
Hypertension status (%)	32.65	30.63	41.67	0.20
BMI	25.42 ± 3.98	25.40 ± 4.10	25.51 ± 3.45	0.89

Note: PSA, physical sports activity; F, female; M, male; MMSE, Mini Mental State Exam; BMI, body mass index.