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Table 5 Interobserver kappa values with 95% confidence interval comparing the raters at the two classification seminars

From: Femoral fracture classification in the Swedish Fracture Register – a validity study

  Interobserver agreement
  Rater 1 vs Rater 2 Rater 1 vs Rater 3 Rater 2 vs Rater 3
  Seminar 1 Seminar 2 Seminar 1 Seminar 2 Seminar 1 Seminar 2
AO/OTA group (4 signs) 0.64 (0.55–0.73) 0.72 (0.64–0.81) 0.76 (0.68–0.84) 0.73 (0.64–0.81) 0.65 (0.56–0.74) 0.69 (0.60–0.78)
AO/OTA type (3 signs) 0.76 (0.68–0.85) 0.83 (0.75–0.90) 0.85 (0.78–0.92) 0.81 (0.73–0.89) 0.78 (0.69–0.86) 0.80 (0.72–0.88)