Those with vitamin D deficiency (serum 25-OHD levels <10 ng/ml) had mean CRP levels of 7.8 (SD 10.4) mg/L, significantly higher than those who were not vitamin D deficient (serum CRP of 3.9 (SD 4.3) mg/L (t = 3.789, p < 0.001). Here, CRP is linked to vitamin D deficiency.