表 3. Correlation between serum VitD metabolites and observational indicators in DKD patients.

DKD患者血清VitD代谢物与观察指标间的关系

Indicator	C3-epi			25(OH)D2			25(OH)D3			t-25(OH)D			25(OH)D2/25(OH)D3			AVitD3
	r	P		r	P		r	P		r	P		r	P		r	P
The units of each indicator are as follows, 25(OH)D3, t-25(OH)D, 25(OH)D2, C3-epi, and AVitD3: ng/mL; CysC: mg/L; eGFR: mL/(min·1.73 m2); UACR: mg/g; Urea: mmol/L; Crea: μmol/L; UA: μmol/L.
CysC	−0.206	0.011		−0.058	0.476		−0.239	0.003		−0.237	0.003		0.098	0.232		−0.238	0.003
eGFR	0.229	0.005		0.063	0.439		0.275	0.001		0.273	0.001		−0.110	0.180		0.275	0.001
UACR	−0.283	<0.001		−0.222	0.006		−0.285	<0.001		−0.330	<0.001		−0.057	0.487		−0.300	<0.001
Urea	−0.210	0.010		−0.089	0.275		−0.182	0.026		−0.197	0.015		0.049	0.552		−0.192	0.018
Crea	−0.218	0.007		−0.052	0.523		−0.225	0.006		−0.223	0.006		0.090	0.269		−0.221	0.006
UA	−0.014	0.869		−0.103	0.207		−0.064	0.435		−0.108	0.188		−0.030	0.713		−0.085	0.299