Table 1.

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

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

Kappa coefficients unless where indicated

* Spearman rank correlation coefficient