Table 1. Demographic characteristics of the study sample.

SD: Standard deviation; DM: diabetes mellitus

Variables	Group 1 (mean±SD)	Group 2 (mean±SD)	t-Statistic	p-value
Age (years)	53.87±5.42	54.23±4.69	-0.50	0.62
Gender (M/F)	48/52	49/51	0.18	0.67
Duration of DM (years)	10.21±4.12	11.14±4.98	1.44	0.15
BMI (Kg/m2)	32.47±3.75	33.23±3.88	0.44	0.66