Table 2. Comparison of baseline characteristics.

Age is expressed as mean ± standard deviation and other variables as frequency and percentage. P < 0.05 was considered significant.

Variables	Group A (n = 25)	Group B (n = 21)	p-value
Mean age (in years)	59.8 ± 10.6	54.9 ± 12.3	0.167
Age groups, n (%)
35 - 44 years	1 (4%)	5 (23.8%)	0.099
45 - 54 years	4 (16%)	5 (23.8%)
55 - 64 years	13 (52%)	5 (23.8%)
65 - 74 years	4 (16%)	5 (23.8%)
75 - 84 years	2 (8%)	0 (0%)
>85 years	1 (4%)	1 (4.8%)
Gender
Male, n (%)	16 (64%)	9 (42.9%)	0.156
Female, n (%)	9 (36%)	12 (57.1%)