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Multivariate Cox regression analysis of flexor and extensor muscles.
| Clinical characteristics | B | S.E.M | Wald | P value |
|---|---|---|---|---|
| Age | 0.111 | 0.047 | 5.651 | .017 |
| Flexors | −2.756 | 0.989 | 7.766 | .005 |
| Extensors | −0.490 | 0.720 | 0.463 | .496 |
| Muscle strength | 3.429 | 1.985 | 2.985 | .084 |
