Table 2

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

* A principal component factor analysis with loading coefficient absolute value suppression at 0.40.

Hoogeboom et al.

Hoogeboom et al. BMC Musculoskeletal Disorders 2012 13:117   doi:10.1186/1471-2474-13-117

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