Table 2.
Sex-Adjusted Spearman Correlation Coefficients and p Values Between Population Characteristics and UPDRSm
| Spearman Correlation Coefficients (p value) | |
|---|---|
| Age | 0.490 (p < .0001) |
| DAT | −0.298 (p = .006) |
| WMH | 0.277 (p = .010) |
| Hand grip strength, kg | −0.390 (p < .0001) |
| Ankle vibration sensitivity, seconds | −0.399 (p < .0001) |
| Comorbidities | 0.228 (p = .036) |
| Race, white | −0.020 (0.85) |
| Education (years) | −0.180 (0.10) |
| Body mass index (kg/m2) | −0.110 (0.33) |
| MMSE score, points | −0.250 (0.025) |
| Depressiona | 0.201 (0.080) |
Note: DAT = Dopamine transporter binding levels; MMSE = Mini-Mental State Examination; UPDRS-m = Unified Parkinsonian Disease Rating Scale, motor; WMH = White matter hyperintensities.
aBy self-report.