Table 1. Demographic and clinical characteristics of patients.

	Group 1					Group 2					Group 3					Group 4
	n	%	Mean±SD	Median	Min-Max	n	%	Mean±SD	Median	Min-Max	n	%	Mean±SD	Median	Min-Max	n	%	Mean±SD	Median	Min-Max	p
Age (year)			54.9±10.2					58.8±9.3					60.6±8.7					61.8±8.0			0,367
Body mass index (kg/m2)			28.8±5.0					29.2±4.4					30.7±6.3					28.7±3.2			0,388
Gender																					0,163
Male	8	25,8				6	19,8				11	35,5				6	19,4
Female	3	33,3				4	44,4				0	0				2	22,2
Hypertension	8	72,7				7	70				7	63,6				6	75				1,000
Duration of diabetes (year)			0					8.9±3.4					8±8.1					15±6.1			0,162
Oral anti-diabetic use	0	0				8	80				8	72				3	37				<0.001*
Insulin use	0	0				0	0				1	9,1				6	75				<0.001*
Hyperlipidemia	5	45				4	40				4	36				5	62				0,777
Ejection fraction				60	50-60				60	38-65				60	45-65				55	40-65	0,582
SD: Standard deviation; Min: Minimum; Max: Maximum; Kruskal-Wallis test was conducted for continuous variables and chi-square test for the categorical variables to assess the differences among four groups * p<0.05.