Bold values indicate statistical significance.

Abbreviations: 25OHD, 25-hydroxy vitamin D; BMI, body mass index; CTX, C-terminal telopeptide of type-I collagen; Dkk-1, dickkopf-1; Hb, hemoglobin; LSBMD, lumbar spine bone mineral density; OC, osteocalcin; TBBMD, total body bone mineral density