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Table 2.

Baseline, 6-month and 3-year demographic and clinical characteristics in young people with thyrotoxicosis.

Baseline characteristics Overall Block and replace Dose titration
Mean (s.d.) Mean (s.d.) Mean (s.d.)
Age (years) (n  =80) 12.7 (3.0) 12.9 (2.6) 12.5 (3.4)
Height (cm) 156.1 (17.0) 157.3 (15.4) 153.9 (19.4)
Height Z-score 0.48 (1.5) 0.48 (1.4) 0.48 (1.5)
Weight (kg) 46.9 (14.2) 47.0 (13.6) 46.3 (15.3)
Weight Z-score 0.31 (1.0) 0.26 (1.0) 0.37 (0.9)
BMI (kg/m2) 18.8 (3.0) 18.6 (3.0) 18.9 (3.1)
BMI Z-score (kg/m2) 0.10 (1.0) −0.02 (1.0) 0.19 (0.94)
6-month characteristics Mean (s.d.) Mean (s.d.) Mean (s.d.)
Age (years) (n  =78) 13.1 (3.0) 13.2 (2.6) 12.9 (3.5)
Height (cm) 157.0 (17.3) 158.5 (15.2) 155.7 (19.0)
Height Z-score 0.39 (1.5) 0.43 (1.5) 0.36 (1.6)
Weight (kg) 52.7 (16.0) 52.6 (15.3) 52.7 (16.9)
Weight Z-score 0.78 (1.0) 0.68 (1.1) 0.89 (0.9)
BMI (kg/m2) 20.9 (3.7) 20.5 (3.5) 21.2 (3.8)
BMI Z-score (kg/m2) 0.81 (0.97) 0.68 (0.95) 0.93 (0.99)
3-year characteristics Mean (s.d.) Mean (s.d.) Mean (s.d.)
Age (years) (n  =62) 15.5 (3.2) 15.8 (2.8) 15.2 (3.6)
Height (cm) 162.0 (15.6) 163.0 (13.6) 161.0 (17.5)
Height Z-score 0.26 (1.3) 0.18 (1.1) 0.34 (1.4)
Weight (kg) 58.0 (15.1) 57.8 (13.7) 58.2 (16.6)
Weight Z-score 0.51 (1.1) 0.33 (1.0) 0.67 (1.1)
BMI (kg/m2) 21.7 (3.8) 21.6 (3.7) 21.8 (3.9)
BMI Z-score (kg/m2) 0.49 (1.1) 0.36 (1.1) 0.62 (1.1)