Table 1.

Basic characteristics of the study population

Characteristic	Cases (n=3411) n (%)	Controls (n=10 233) n (%)
Age (mean±SD years)	41.1±10.2	41.1±10.2
Male	1871 (54.9)	5613 (54.9)
Follow-up duration (mean±SD years)	7.71±4.71	7.71±4.71
Comorbidities
Diabetes mellitus*	1299 (38.1)	1006 (9.8)
Congestive heart failure*	207 (6.1)	86 (0.8)
Myocardial infarction*	41 (1.2)	23 (0.2)
Stroke*	220 (6.5)	195 (1.9)
Hyperlipidaemia*	502 (14.7)	433 (4.2)
Hypercholesterolaemia*	111 (3.3)	90 (0.9)
Hypertriglyceridaemia*	86 (2.5)	62 (0.6)
Hypertension*	1232 (36.1)	1147 (11.2)
Obesity*	49 (1.4)	37 (0.4)

*P<0.0001.