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Characteristic
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A. Unplanned early weaning
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B. Planned early weaning
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C. Ordinary bracing
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n = 32
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n = 59
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n = 290
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Age at weaning (years)
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14.3 (9.6–16.6)
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14.9 (11.0–18.9)a
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16.3 (12.4–19.8)b
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Bone age at weaning (years)
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13.6 (9–15)
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13.9 (11–16)
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15.8 (11–18)b
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Bone – Chronological age difference at stop brace treatment (years)
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−0.7 (−3.6–2.1)
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−1.0 (−4.0–2.0)c
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−0.4 (−3.2–2.5)
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Time in brace at weaning (months)
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31.9 (6–82)
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36.4 (12–71)d
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31.1 (6–113)
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Number of patients in brace time subgroups (months) <24 / ≥24 and <36 / ≥36 and <48/≥48
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16/7/1/8
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16/18/12/13
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91/117/56/26
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Major curve standing at weaning (°)
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35.0 (6–58)
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20.6 (1–45)e
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29.3 (6–58)f
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Time to last follow-up after weaning (years)
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24.2 (2.7–30.4)
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23.1 (15.0–30.7)
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23.4 (2.4–32.1)
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Major curve standing at last follow-up (°)
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34.8 (13–62)
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25.1 (9–54)e
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34.0 (7–81)
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Major curve difference at last follow-up relative to start bracing (°)
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0.5 (−23–21)
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−4.7 (−28–23)a
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0.5 (−22–51)
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Number (%) operatedg
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12 (38)
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1 (2)
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14 (5)
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- Patients with resumed bracing and operated patients included. Values are means (range)
- aDifferent from A (p < 0.05) and C (p < 0.001)
- bDifferent from A and B (p < 0.001)
- cDifferent from C (p < 0.001)
- dDifferent from C (p < 0.05)
- eDifferent from A (p < 0.001) and C (p = 0.001)
- fDifferent from A (p = 0.005) and B (p < 0.001)
- gKendall’s Tau-b −0.1929 (−0.3223 to −0.0635); p < 0.005
