Fig. 1From: Cross-cultural translation, adaptation and validation of a Japanese version of the functional index for hand osteoarthritis (J-FIHOA)Scree plot of J-FIHOA. The eigenvalue for the first factor was greater than one and accounted for almost 60% of the total variance. The single elbow in the scree plot also indicated that the J-FIHOA was a unidimensional scaleBack to article page