Table 1.

Selected characteristics of cases and controls.

Characteristics	Cases (n = 595)	Controls (n = 681)	P value
Age (year)	65 (56–71)	64 (56–73)	0.43
Sex (male/female)	321/274	375/306	0.69
BMI (kg/m2)	24.6 (22.7–27.0)	23.1 (21.1–25.4)	<0.001
Smoking (yes/no)	182/413	229/452	0.25
Hypertension (yes/no)	261/334	167/514	<0.001
Total cholesterol (mmol/L)	4.68 (4.09–5.48)	4.14 (3.60–5.07)	<0.001
HDL-C (mmol/L)	1.10 (0.98–1.42)	1.24 (1.09–1.58)	<0.001
LDL-C (mmol/L)	2.81 (2.45–3.29)	2.38 (2.05–2.93)	<0.001