In general, how much difficulty do you have with your knee:Find:Pt:^Patient:Ord:KOOS
in general, how much difficulty do you have with your knee:find:pt:^patient:ord:koos
In general, how much difficulty do you have with your knee:Finding:To identify measures at a point in time:^Patient:Ordinal:KOOS
in general, how much difficulty do you have with your knee:finding:to identify measures at a point in time:^patient:ordinal:koos