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Table 5 Tanner stage and automated bone age and bone health index determined by digital radiogrammetry in juvenile idiopathic arthritis

From: Joint cartilage thickness and automated determination of bone age and bone health in juvenile idiopathic arthritis

Tanner stage

Number

Bone age GP

Bone age GP (SDS)

BHI SDS

BMI

1

33

7.3 (5.8–8.2)

−0.83 (−1.57-(−0.08))

−0.75 (−1.57-(−0.33))

15.9 (14.8–16.4)

2

12

11.0 (10–11.7)

−0.41 (−1.1–0.17)

−1.28 (−2.13-(−0.83))

17.8 (16.1–20.2)

3

7

13.9 (12.1–14.9)

−0.88 (−1.36-(−0.28))

−1.48 (−1.58–0.30)

19.2 (16.9–19.7)

4

9

15.5 (13.8–16.7)

0.26 (−0.76–1.12)

0.94 (−1.52–0.05)

18.4 (16.2–19.3)

5

6

16.8 (16–18)

2.33 (1.08–2.54)

−1.47 (−2.15–0.28)

25.1 (20.4–29.5)

  1. GP Greulich-Pyle, BHI Bone health index, SDS standard deviation score, BMI body mass index