Variation of Bone Turnover Markers in Childhood and Adolescence

Figure 4

Scatterplots showing the correlations between serum P1NP, N-MID, and β-CTX levels and development indices in boys aged 0–16 years. (a) P1NP and 25 (OH) vitamin D (b) P1NP and ALP. (c) P1NP and Pi. (d) P1NP and Ca. (e) N-MID and 25 (OH) vitamin D. (f) N-MID and ALP. (g) N-MID and Pi. (h) N-MID and Ca. (i) β-CTX and 25 (OH) D. (j) β-CTX and ALP. (k) β-CTX and Pi. (l) β-CTX and Ca.

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