Table A3.

Correlation between 25(OH)D level, UIC, and clinical factors

	25(OH)D level		UIC
	r	P-value	r	P-value
Age (years)	−0.04	0.241	−0.03	0.406
Gender (male/female)	0.01	0.737	−0.07	0.096
BMI (kg/m2)	−0.02	0.662	0.00	0.913
Glucose (mmol/L)	−0.32	<0.0001	−0.59	<0.0001
Fructoseamine (mmol/L)	−0.21	<0.0001	−0.20	<0.0001
HbA1c (%)	−0.23	<0.0001	−0.21	<0.0001
C peptide (μg/L)	−0.02	0.650	0.00	0.908
TC (mmol/L)	−0.11	0.012	−0.07	0.090
TG (mmol/L)	−0.14	0.001	−0.09	0.032
LDL-C (mmol/L)	−0.10	0.020	−0.05	0.210
HDL-C (mmol/L)	0.11	0.007	0.05	0.215
Creatinine (μmol/L)	−0.05	0.200	0.07	0.112
Free T4 (ng/mL)	0.07	0.095	0.07	0.078
Free T3 (μg/dL)	0.08	0.121	−0.02	0.724
TSH (uIU/mL)	−0.14	0.006	0.18	0.000