Skip to main content

Table 2 Factor Analysis: Variance Explained for the LEFS, KOOS and HOOS*

From: The Dutch Lower Extremity Functional Scale was highly reliable, valid and responsive in individuals with hip/knee osteoarthritis: a validation study

Factor Initial Eigenvalues
Total % of variance Cumulative %
LEFS    
 Factor 1 10.84 54.18 54.18
 Factor 2 1.87 9.33 63.51
 Factor 3-20 0.96 - 0.06 36.49 100.00
KOOS    
 Factor 1 9.76 57.42 57.42
 Factor 2 1.46 8.61 66.03
 Factor 3-17 0.86 - 0.05 33.97 100.00
HOOS    
 Factor 1 9.69 57.01 57.01
 Factor 2 1.50 8.83 65.84
 Factor 3 1.02 5.98 71.82
 Factor 4 0.94 - 0.07 28.18 100.00
  1. * A principal component factor analysis with loading coefficient absolute value suppression at 0.40.