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Table 3 Change in LC, GRC and presentation of improved and deteriorated participants beyond SEM

From: Patients with adolescent idiopathic scoliosis perceive positive improvements regardless of change in the Cobb angle – Results from a randomized controlled trial comparing a 6-month Schroth intervention added to standard care and standard care alone. SOSORT 2018 Award winner

Overall
n = 40
Schroth exercises + Standard of care; n = 20 Standard of care; n = 20
Change in largest curve overall (°) at 6-months (LC at 6 months – LC at baseline) − 1.82 ± 3.21 2.33 ± 4.20
GRC (n ± SD) at 6-months + 4.43 ± 2.2 −0.09 ± 1.59
Change in largest curve with GRC ≥ + 2 (°) −1.33 ± 3.98 NA
Change in largest curve with GRC ≤ + 1 (°) NA 1.56 ± 4.09
Improved beyond SEM = 2.5 (n, %) 8 (40%) 0 (0%)
Deteriorated beyond SEM = 2.5° (n, %) 2 (10%) 9 (45%)
  1. Abbreviations: LC Largest Curve, GRC Global Rating of Change, TI truly improved, TD truly deteriorated, FI falsely improved, FD falsely deteriorated, n number of participants with follow-up data, SEM standard error of measurement