Association of Vitamin D Deficiency and Degree of Coronary Artery Disease in Cardiac Patients with Type 2 Diabetes

Table 6

Results of the multiple regression analysis considering selected variables as determinants of 25(OH)D.

	Parameters of multiple regression analysis
	Determinants	β		Multiple R2	F test
25(OH)D	Age	0.06	0.34	0.08	3.12	<0.01
	Sex (♀/♂)	0.02	0.73
	BMI	0.08	0.17
	Smoking (no/yes/ex-smokers)	−0.01	0.87
	Hypertension (no/yes)	0.01	0.90
	Hyperlipidemia (no/yes)	−0.13	<0.05
	Previous MI (no/yes)	−0.13	<0.05
	Examination data (May–October/November–April)	−0.19	<0.001

Variable 25(OH)D was log transformed for this analysis.