Table 2.
Differences in study parameters according to biochemical osteomalacia status within gender.
| Parameters | Girls | Boys | ||||
|---|---|---|---|---|---|---|
| Controls | Cases | p-Value | Controls | Cases | p-Value | |
| N | 1447 | 250 | 1196 | 45 | ||
| Age (years) | 14.7 ± 1.8 | 14.7 ± 1.7 | 0.90 | 15.1 ± 1.6 | 14.9 ± 1.5 | 0.59 |
| Height (cm) | 156.1 ± 9.5 | 157.1 ± 9.5 | 0.13 | 162.3 ± 10.5 | 163.7 ± 8.6 | 0.39 |
| Weight (kg) | 56.8 ± 15.2 | 59.9 ± 14.8 | 0.004 | 64.0 ± 18.1 | 67.7 ± 23.0 | 0.20 |
| BMI (kg/m2) | 23.3 ± 5.7 | 24.2 ± 5.9 | 0.02 | 24.1 ± 5.6 | 25.2 ± 8.3 | 0.22 |
| BMI Z-score | 0.6 ± 1.1 | 0.8 ± 1.1 | 0.009 | 0.7 ± 1.3 | 0.8 ± 1.2 | 0.53 |
| Ca (mmol/L) | 2.5 ± 0.3 | 2.3 ± 0.4 | <0.001 | 2.6 ± 0.3 | 2.2 ± 0.5 | <0.001 |
| Pi (mmol/L) | 1.5 ± 0.3 | 1.1 ± 0.3 | <0.001 | 1.6 ± 0.5 | 1.2 ± 0.7 | <0.001 |
| ALP (U/L) | 56.4 (38.7–84.4) | 60.4 (40.7–96.4) | 0.05 | 70.1 (47.6–98.3) | 67.3 (55.5–110.6) | 0.34 |
| 25(OH)D (nmol/L) | 29.7 (21.4–41.4) | 21.9 (18.0–25.9) | <0.001 | 37.0 (29.5–47.6) | 21.3 (17.4–25.2) | <0.001 |
Note: Data are presented as mean ± standard deviation and median (IQR) for Gaussian and non-Gaussian continuous variables. p < 0.05 is considered significant. ALP, alkaline phosphatase; BMI, body mass index; Ca, calcium; Pi, inorganic phosphorous; 25(OH)D, 25(hydroxy) vitamin D.