Table 5.

Adjusted* associations between vitamin D level and inflammatory markers, stratified by vascular groups

	Arteriovenous fistula	P value	Arteriovenous graft	P value
Log MMP-9 (pg/ml)	0.004 ± 0.010	0.7	-0.052 ± 0.016	0.002
Log IL-10 (pg/ml)	0.016 ± 0.010	0.1	0.041 ± 0.023	0.08

*Adjusted for smoking, gender, BMI, age, diabetes, season and activated vitamin D treatment

Results are expressed as beta coefficient + standard error