Fig. 1From: Dysequilibrium of the PTH-FGF23-vitamin D axis in relapsing remitting multiple sclerosis; a longitudinal studySerum 25OHD and serum 1,25(OH)2D Individual values (open circles), cohort medians and interquartile ranges (boxes) are plotted for those subjects who had both winter and summer measurement of serum 1,25(OH)2D. Serum 25OHD increased from winter to summer in both HC and RRMS subjects. However, only HC demonstrated a significant seasonal rise in serum 1,25(OH)2DBack to article page