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Table 1 Results.

From: TRACE (Trunk Aesthetic Clinical Evaluation), a new everyday clinical tool to assess adolescent idiopathic scoliosis patients aesthetics

  Kappa statistics range Percent of agreement 95% level of agreement (range)
  Intra-raters Inter-raters Intra-raters Inter-raters Intra-raters Inter-raters
TRACE1 0.16–0.24 0.09–0.14 28.8–36.3 18.8–36.1 2/11(99.4–96.9%) 3/11(95.0–100%)
Shoulders 0.29–0.43 0.16–0.25 51.3–70.6 48.8–70.6 1/3 (96.9–100%) 1/3 (92.5–100%)
Scapulae 0.43–0.58 0.41–0.50 76.9–79.4 70.6–80.0 1/2 (99.4–100%) 1/2 (100–100%)
Hemithorax 0.22–0.41 0.12–0.20 58.8–63.1 50.6–63.1 1/2 (98.1–99.4%) 1/2 (95.6–99.4%)
Flanks 0.40–0.48 0.07–0.11 55.0–68.0 24.4–68.1 1/4 (95.6–99.4%) 2/4 (98.7–100%)
  1. Repeatability index for TRACE2: intra-rater 47–49%, inter-rater 47–50%.