Patient Group (n=42) Ave ± SD, n (%) Control Group (n=15) Ave ± SD, n (%) p Age (year) 67.26 ± 12.19 60.60 ± 11.94 0.077 Gender Female Male 22 (52.4) 20 (47.6) 7 (46.7) 8 (53.3) 0.844 Accompanying comorbidities Cardiac disease Hypertension Diabetes mellitus 24 (42.1) 33 (57.9) 9 (15.8) 0 0 0 0.001* 0.001* 0.001*

Table 1: The distribution and comparison of demographic characteristics of patient and control groups. Ave ± SD: average ± standard deviation. *The patient and control group comparisons were statistically different (p<0.05).