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Table 3 Mean L2-L4 and TBLH chronological age based BMD Z-scores for different age groups of GC treated boys with DMD, with standard deviations (SD) and 95% Confidence Intervals for mean

From: The role of delayed bone age in the evaluation of stature and bone health in glucocorticoid treated patients with Duchenne muscular dystrophy

CA based BMD

6–12 years

13–18 years

L2 – L4 Z-score

n = 18

n = 12

Mean (SD), 95% CI for mean

− 1.19 (1.10), − 1.73, − 0.64

− 2.94 (1.23), − 2.72, − 2.16a

TBLH Z-score

n = 23

n = 11

Mean (SD), 95% CI for mean

− 2.02 (0.71), − 2.33, − 1.71 a

−3.03 (0.64), − 3.46, − 2.59 a

  1. a BMD Z-scores <− 2 for L2 – L4 in the 13–18 years age group and for TBLH in both age groups