From: Repeatability of the Aesthetic Index for adolescent scoliosis idiopathic evaluation
 | Kappa statistics range | Percent of agreement | 95% level of agreement (range) | |||
---|---|---|---|---|---|---|
 | 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(98.7–99.4%) | 2 (92.5–99.4%) |
Shoulders | 0.42–0.53 | 0.30–0.35 | 64.4–73.7 | 58.3–61.2 | 1 (99.4–100%) | 1 (96.9–100%) |
Scapulae | 0.50–0.58 | 0.20–0.43 | 69.4–76.9 | 53.5–61.9 | 1 (98.1–100%) | 1 (95.6–100%) |
Flanks | 0.48–0.70 | 0.28–0.33 | 75.6–82.5 | 62.8–66.1 | 1 (100–100%) | 1 (98.7–100%) |