Table 5.

Association of clinical and demographic characteristics with serum magnesium.

Clinical variables		Retinopathy		No retinopathy
		Serum magnesium Mean ± SD (mg/dL)	p value	Serum magnesium Mean ± SD (mg/dL)	p value
Gender	Male	1.72 ± 3.5	0.037 a	1.75 ± 1.7	0.624
	Female	1.50 ± 3.5		1.78 ± 2.5
Hypertension	Yes	1.60 ± 0.31	0.676	1.73 ± 0.22	0.411
	No	1.65 ± 0.39		1.78 ± 0.22
Dyslipidaemia	Yes	1.60 ± 0.41	0.809	1.85 ± 0.07	0.576
	No	1.64 ± 0.36		1.76 ± 0.22
Diabetic foot ulcer	Yes	1.49 ± 0.33	0.185	1.65 ± 0.7	0.450
	No	1.67 ± 0.36		1.77 ± 0.21
CAD	Yes	1.55 ± 0.26	0.548	1.85 ± 0.21	0.311
	No	1.65 ± 0.37		1.75 ± 0.22

CAD, coronary artery disease; SD, standard deviation.

^aStudent’s t test.