Table 3.
Association and dissociation of outcome measures in in older adults with thumb CMC OA.
| Metric | 1st PC | 2nd PC | 3rd PC |
|---|---|---|---|
| Grip | 1.00 | 0.04 | −0.04 |
| Key Pinch | 0.96 | −0.43 | 0.32 |
| Prec. Pinch | 0.81 | −0.53 | 0.74 |
| BBT | 0.79 | 0.62 | −0.40 |
| NHPT | −0.90 | −0.52 | 0.42 |
| SD | −0.17 | 1.00 | 1.00 |
| % Contribution | 50.54% | 19.38% | 14.08% |
| Cumulative | 50.54% | 69.92% | 84.01% |
Normalized loadings for ease of comparison, Underlining in each column indicates strong (≥0.40) positive and negative correlations, respectively, with the dominant outcome measure, in bold.