Table 8.

Examples of reliability of classification systems

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