Table 3.

Logistic regression analysis for independent predictors of BMD Z-score ≤ −2.

Variables	OR (95% CI)	p-Value
Age	0.97 (0.71–1.33)	0.86
Gender
Girl	1
Boy	5.27 (2.17–12.8)	<0.0001
BMI Z-score	0.47 (0.34–0.65)	<0.0001
Laboratory values
Alkaline phosphatase, U/L	1.00 (0.996–1.007)	0.66
Total bilirubin, umol/L	1.03 (0.97–1.10)	0.36