Table 2 Factor Analysis: Variance Explained for the LEFS, KOOS and HOOS*
Factor | Initial Eigenvalues | ||
|---|---|---|---|
Total | % of variance | Cumulative % | |
LEFS | Â | Â | Â |
 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 | Â | Â | Â |
 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 | Â | Â | Â |
 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 |