Plasma 25-Hydroxyvitamin D Is Independently Associated with Hemoglobin Concentration in Male Subjects with Type 2 Diabetes Mellitus

Table 2

Correlation of hemoglobin concentration with clinical covariates. Spearman’s rank test was performed. 𝑃<.05 was considered statistically significant. “n.s.” denotes “not significant.” Statistical analyses were performed using SPSS 18.0 statistical software.

	Correlation coefficients	P value
Age	−0.433	<.01
BMI	0.441	<.01
Duration of diabetes mellitus	−0.366	<.01
Fasting plasma glucose	0.151	n.s.
HbA1c (%)	0.340	<.01
Total cholesterol	0.146	n.s.
Triglyceride	0.190	n.s.
Serum creatinine	−0.506	<.01
eGFR	0.550	<.01
Albumin creatinine ratio	−0.453	<.01
cholinesterase	0.580	<.01
High sensitive C reactive protein	−0.058	n.s.
25-hydroxyvitamin D	0.269	<.01
Vitamin D binding protein	0.112	n.s.