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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 start brace treatment (years)
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11.5 (7.7–15.5)
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11.4 (7.5–16.0)
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13.7 (6.9–17.1)a
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Bone age at start brace treatment (years)
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10.8 (7–14)
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10.4 (5–13)
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13.2 (7–16)a
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Bone – Chronological age difference at start brace treatment (years)
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−0.8 (−2.7–0.8)
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−1.0 (−4.0–2.0)b
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−0.5 (−3.2–2.1)
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Age at menarche (years)
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13.6 (11–16)
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13.7 (11–16)
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13.4 (7–19)
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(n = 25)
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(n = 51)
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(n = 262)
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Major curve standing without brace at start of treatment (°)
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34.3 (20–56)
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29.8 (21–52)c
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33.6 (20–57)
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Major curve prone without brace at start of treatment (°)
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24.3 (8–41)
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19.1 (7–42)d
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23.7 (9–45)
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Major curve standing in brace (°) at start of treatment
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15.7 (4–37)
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11.3 (1–37)c
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17.4 (1–44)
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Major curve flexibility (°)
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10.0 (1–22)
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10.7 (2–23)
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9.9 (−2–24)
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Major curve flexibility (%)
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29.1 (5–73)
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36.1 (7–70)e
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29.6 (−5–69)
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Major curve redressment (°)
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18.7 (1–46)
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18.6 (8–33)
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16.2 (3–35)f
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Major curve redressment (%)
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53.7 (4–86)
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62.9 (25–97)e
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48.9 (7–96)
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- Values are means (range)
- aDifferent from A and B (p < 0.001)
- bDifferent from C (p < 0.001)
- cDifferent from A (p < 0.005) and C (p < 0.001)
- dDifferent from A (p < 0.001) and C (p < 0.001)
- eDifferent from A (p < 0.05) and C (p < 0.001)
- fDifferent from A (p < 0.05) and B (p < 0.01)
