Preoperative Cobb angle of the major curve was significantly larger in the high ISST group (77°, range 44° to 112°) than the low ISST group (69°, range 50° to 110°, P = .007), and the flexibility index (FI: correction rate achieved by side bending) was smaller in the high ISST group (23% vs 29%), but the difference did not reach statistical significance ( P = .09).
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Impact of Various Weights in the Intraoperative Skull-Skeletal Traction on Correction of Adolescent Idiopathic Scoliosis.
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