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Table 2 Comparing means at the beginning and at the last control with T-Test

From: Prospective study of 158 adult scoliosis treated by a bivalve polyethylene overlapping brace and reviewed at least 5 years after brace fitting

 

Initial

Final follow-up

T test

Cobb angle

m = 39.64 ± 16.76

m = 39.74 ± 19.46

p = 0.973 (ns)

Frontal Balance

m = 16.79 ± 20.34

m = 10.44 ± 21.54

p = 0.008*

Sagittal balance

m = 58.04 ± 45.52

m = 64.72 ± 52.62

p = 0.231 (ns)

Rib hump (mm)

m = 22.88 ± 13.65

m = 20.06 ± 14.13

p = 0.073 (ns)

  1. No significant difference for Cobb angle, sagittal balance and rib hump, while one could expect a worsening, only the frontal balance is significantly improved(* = significant P value)