Table 3.

Results of correlation analysis

Index	IL-22 (pg/mL)		IL-27 (pg/mL)
	r	P	r	P
Duration of disease (years)	0.429	<0.001	0.378	0.037
Fasting blood glucose (mmol/L)	0.441	<0.001	0.416	<0.001
Low density lipoprotein (mmol/L)	0.398	0.011	0.412	0.015
Uric acid (μmol/L)	0.415	0.003	0.398	<0.001
Serum creatinine (μmol/L)	0.442	<0.001	0.425	0.002
Glomerular filtration rate (ml/min/1.73 m2)	-0.395	0.005	-0.376	0.022
Cystatin C (mg/L)	0.404	<0.001	0.388	0.029

IL-22, Interleukin-22; IL-27, interleukin-27.