Table 1.

Demographic characteristics of the patients.

	SG	CG	p
Age ($\overline{x}\pm s$, years)	65.3 ± 8.7	67.7 ± 7.6	0.13
Gender (male/female, cases)	35:15	39:11	0.82
BMI (kg/m2)	24.6 ± 3.5	24.6 ± 2.8	0.96
Risk Factor (items)	1.8 ± 1.0	2.0 ± 0.8	0.33
Occupation (full time job/retirement, cases)	12:38	8:42	0.45
Diploma (lower than high school/high school/with bachelor' s degree and above, cases)	23:16:11	19:19:12	0.71
Coronary artery lesions (single/double and above, cases)	18:32	20:30	0.68

BMI, Body Mass Index; SG, Supervision group; CG, Control group.