Table 1.

Comparison of demographic data of two groups of patients.

Group	C group (n = 60)	R group (n = 60)	t/χ2	P
Age (years)	55.81 ± 3.53	55.83 ± 3.52	0.031	0.975
Gender (male/female)	35/25	31/29	0.538	0.462
Course of disease (year)	8.38 ± 2.11	8.39 ± 2.44	0.024	0.980
Past history
High blood pressure	24 (40.00)	26 (43.33)	0.315	0.957
Coronary artery disease	17 (28.33)	15 (25.00)
Diabetes	12 (20.00)	11 (18.33)
Atrial fibrillation	7 (11.67)	8 (13.34)