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. Author manuscript; available in PMC: 2014 Jan 18.
Published in final edited form as: J Biomech. 2012 Jan 16;45(4):692–698. doi: 10.1016/j.jbiomech.2011.11.057

Table 4.

Comparison of the predicted and reference group KAM curves.

Asymptomatic Mild OA Severe OA
MAD slow 0.20 0.04 0.05
normal 0.10 0.06 0.09
fast 0.09 0.12 0.17
MAD% slow 7.2 1.6 1.8
normal 2.9 1.9 2.8
fast 2.1 3.5 4.5
R slow 0.991 0.998 0.999
normal 0.995 0.998 0.999
fast 0.996 0.997 0.999
ρ prediction slow 0.42 0.45 0.57
normal 0.42 0.47 0.60
fast 0.51 0.57 0.67
ρ reference slow 0.50 0.59 0.75
normal 0.56 0.63 0.79
fast 0.67 0.75 0.84

See Figure 2 for an illustration of the results at normal walking speed. MAD, ρprediction, and ρreference values are in %BW*Ht, and MAD% values are in percentage of the KAM range.