Research Article
Handgrip Strength and Anthropometry in Parkinson’s Disease at Diagnosis
Table 4
Multiple linear regression models,
B-value, and
value for left and right handgrip strength. Interaction between cortisol and phosphate is included.
| | Patients N = 75 | Controls N = 24 | Handgrip strength | Left | Right | Left | Right |
| BMI (kg/m2) | −0.020 (0.916) | 0.166 (0.400) | 0.203 (0.485) | 0.307 (0.260) | Age, years | −0.332 (<0.001) | −0.375 (<0.001) | −0.586 (0.007) | −0.460 (0.018) | Sex, M = 0, F = 1 | −15.470 (<0.001) | −15.674 (<0.001) | −11.850 (<0.001) | −9.464 (<0.001) | P-cortisol (μmol/l) | 0.125 (0.004) | 0.113 (0.014) | −0.021 (0.054) | −0.015 (0.137) | P-phosphate (mmol/l) | 33.418 (0.015) | 33.504 (0.028) | 0.324 (0.974) | −14.518 (0.130) | UPDRS-III | −0.185 (0.017) | −0.094 (0.238) | — | — | Cortisol x phosphate | −0.102 (0.005) | −0.094 (0.013) | — | — | R2 | 0.680 | 0.667 | 0.801 | 0.801 |
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BMI = body mass index (kg/m2). UPDRS = Unified Parkinson’s Disease Rating Scale.
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