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Table 8 Examples of reliability of classification systems

From: Development and validation of a paediatric long-bone fracture classification. A prospective multicentre study in 13 European paediatric trauma centres

Author Classification Interobserver κ Intraobserver κ
Humerus    
Sidor et al. 1993 [33] Neer (prox humerus) 0.48 + 0.52 0.66
Siebenrock, Gerber 1993 [34] Neer (prox. humerus) 0.40 0.60
  AO/ASIF 0.53 (types) 0.58 (types)
   0.42 (groups) 0.48 (groups)
Sjöden et al. 1999 [35] Müller AO (prox. humerus) 0.32-0.34 0.29-0.74
  Neer 0.44-0.49 0.27-0.73
Barton et al. 2001 [6] mod. Gartland (paediatric fracture of the dist. humerus) 0.74 0.81-0.84
Radius    
Kreder et al. 1996 [19] Müller AO (dist. radius) 0.33-0.68 0.25-0.42
Illarramendi et al. 1998 [16] Müller AO (dist. radius) 0.37 0.57
  Frykman 0.43 0.61
Flinkkilä et al. 1998 [14] Müller AO (dist. radius) 0.18 (x-ray) -
   0.16 (x-ray + CT)  
Femur    
Andersen et al. 1990 [2] Evans (prox. femur) 0.38-0.69 0.56-0.67
Pervez et al. 2002 [28] Jensen (prox Femur) 0.34 0.34
  AO 0.33 0.42
   0.62 (without subgroups) 0.71 (without subgroups)
Bjørgul, Reikeras 2002 [8] Garden (femoral neck) 0.4 -
Schipper et al. 2001 [30] AO/ASIF (prox. femur) 0.33-0.34 0.48
Lower leg    
Thomsen et al. 1991 [40] Lauge-Hansen (dist. tibia) 0.49 + 0.60 0.60-0.70
  Weber 0.58 + 0.56 0.60-0.76
Martin et al. 1997 [23] Rüedi und Allgöwer (dist tibia) 0.46 0.55
  AO/ASIF 0.60 (types) 0.70 (types)
   0.38 (groups) 0.48 (groups)
Swiontkowski et al. 1997 [39] AO/OTA (dist. tibia) 0.49-0.58 -
Yacoubian et al. 2002 [43] Müller-AO, Schatzker (tibial plateau) 0.68 (x-ray) -
   0.73 (+ CT)  
   0.85 (+ MRI)  
Other    
Ward et al. 1997 [42] Severin (hip) 0.16 0.34
McAdams et al. 2002 [24] Scapular neck 0.30 (weighted) - 0.81 0.49 (weighted)
Li-La All long bones and localisations 0.71 0.78-0.93