Table 2.
Explanatory factor analysis with promax-rotated factor loadings of the Constant-Murley Score items
| Constant-Murley score item | Score of each item | Principal Component Coefficients ≥0.4 | |
|---|---|---|---|
| Factor 1 | Factor 2 | ||
| Pain | 5.24 ± 2.86 | 0.569 | |
| Activities of daily living | 11.32 ± 6.00 | ||
| Work | 1.84 ± 1.12 | 0.766 | |
| Recreation/sport | 1.67 ± 1.12 | 0.794 | |
| Sleep | 0.88 ± 0.67 | 0.498 | |
| Positioning | 6.14 ± 3.72 | 0.645 | |
| Range of motion | 20.22 ± 8.20 | ||
| Forward elevation | 5.96 ± 2.52 | 0.766 | |
| Lateral elevation | 5.82 ± 2.21 | 0.848 | |
| External rotation | 3.67 ± 2.84 | 0.407 | |
| Internal rotation | 4.99 ± 2.32 | 0.753 | |
| Power | 22.57 ± 1.13 | 0.649 | |