Research Article
Parkinson’s Disease Gravity Index: A Method by means of Optimal Scaling
Table 4
Mean ± sd scores of the variables that make up the Parkinson’s Disease Severity Index.
| Age dimension | 68.6±11.0 | Motor dimension | 28.1±10.3 | Depression dimension | 5.4±2.7 | Anxiety dimension | 6.4±3.6 | Cognitive dimension | 63.3±18.9 | Apathy dimension | 12.5±8.9 | Fatigue dimension | 9.6±6.6 | Nonmotor dimension | 31.6±18.7 | Psychosis dimension | 1.5±1.6 | Sleep dimension | 7.6±4.6 |
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