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Table 1 Reported reliability of different fracture classifications for distal radius fractures in adults

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

Reference Classification Interobserever reliability Intraobserver reliability
Kreder et al 1996 AO type 0.68 0.86
  AO group 0.48  
  AO subgroup 0.33 0.42
Ploegmakers et al 2007 AO/ASIF 0.10* 0.52
  Frykman 0.10* 0.26
  Fernandez 0.16* 0.42
  Older 0.15* 0.27
Jin et al 2007 AO type 0.45 0.49
  AO group 0.25 0.36
  Frykman 0.36 0.54
  Cooney group 0.59 0.72
  Cooney subgroup 0.36 0.42
Andersen et al 1996 Frykman 0.36 0.48
  Melone 0.34 0.48
  Mayo 0.43 0.44
  AO type 0.64 0.66
  AO Group 0.30 0.37
  AO subgroup 0.25 0.31
Flinkkilä et al 1998 AO/ASIF modified 0.23  
Belloti 2008 AO/ASIF 0.27 0.49
  Frykman 0.24 0.55
  Fernandez 0.34 0.59
  Universal (Cooney) 0.40 0.61
  1. Kappa coefficients unless where indicated
  2. * Spearman rank correlation coefficient