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. 2018 Dec 21;8:18019. doi: 10.1038/s41598-018-36982-0

Figure 4.

Figure 4

Levels of bone-forming factors ucOC and osteocalcin are significantly lower in stress fracture versus non-fracture subjects. Sera and urine were corrected from stress fracture and non-stress fracture subjects, and levels of indicated parameters were analyzed ((a), bone-resorbing parameters; (b), bone-forming parameters) and compared between groups. Data represent mean levels of indicated parameters ± SD (n = 43 for non stress fracture, n = 13 for stress fracture subjects; *p < 0.05, NS not significant). uDPD, urinary deoxypyridinoline; TRACP5b, tartrate resistant acid phosphatase isoform 5b; uNTX, urinary type 1 collagen cross-linked N-telopeptide; BAP, bone alkaline phosphatase; P1NP, procollagen type 1 amino-terminal propeptide; ucOC, undercarboxylated osteocalcin.