Table 1.

Population characteristics (n = 10461) n (%)

Characteristics	Male (n = 7331)	Female (n = 3130)
Age, mean ± SD (range) (yr)	46.0 ± 13.2 (21-87)	48.6 ± 12.4 (20-90)
Age distribution (yr)
20-29	551 (7.5)	113 (3.6)
30-39	2221 (30.3)	736 (23.5)
40-49	1903 (26.0)	896 (28.6)
50-59	1506 (20.5)	776 (24.8)
60-69	621 (8.5)	374 (11.9)
≥ 70	529 (7.2)	235 (7.5)
Smoking	2878 (39.3)	20 (0.6)
Alcohol consumption	1910 (26.1)	39 (1.2)
Concomitant condition
Hypertension	3459 (47.2)	1093 (34.9)
Diabetes mellitus	368 (5.0)	162 (5.2)