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Table 2 Results of statistical analysis of the Aesthetic Index and its individual items.

From: TRACE (Trunk Aesthetic Clinical Evaluation), a routine clinical tool to evaluate aesthetics in scoliosis patients: development from the Aesthetic Index (AI) and repeatability

 

Kappa statistics range

Percent of agreement

95% level of agreement (range)

Minimum Significant Change

 

Intra-raters

Inter-raters

Intra-raters

Inter-raters

Intra-raters

Inter-raters

Intra-raters

Inter-raters

Aesthetic Index

0.28–0.41

0.17–0.28

46.2–55.6

37.6–41.5

2/7 (98.7–99.4%)

2/7 (92.5–99.4%)

3/7

3/7

Shoulders

0.42–0.53

0.30–0.35

64.4–73.7

58.3–61.2

1/3 (99.4–100%)

1/3 (96.9–100%)

2/3

2/3

Scapulae

0.50–0.58

0.20–0.43

69.4–76.9

53.5–61.9

1/3 (98.1–100%)

1/3 (95.6–100%)

2/3

2/3

Waist

0.48–0.70

0.28–0.33

75.6–82.5

62.8–66.1

1/3 (100–100%)

1/3 (98.7–100%)

2/3

2/3