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Table 3 Reliability of fracture classification of 105 consecutive pediatric distal radius fractures rated by 12 doctors with variable level of experience in fracture management.

From: Classification of distal radius fractures in children: good inter- and intraobserver reliability, which improves with clinical experience

  Complete
agreement at first reading
Two categories at first reading Three categories at first reading Four categories at first reading Inter-observer values at first reading Inter-observer values at second reading Intra-observer agreement (Mean kappa)
All 12 raters 41.9 40.0 15.2 2.9 0.61 0.59 0.73
8 senior raters 58.1 30.5 11.4 - 0.66 0.70 0.77
4 junior registrars 56.2 38.1 5.7 - 0.59 0.50 0.66
4 senior registrars 65.7 27.6 6.7 - 0.63 0.72 0.79
4 consultants 67.6 27.6 4.8 - 0.66 0.67 0.74
  1. Kappa values and percentage of cases placed in one, two, three or all four categories