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Accuracy unknown | How to track comorbidities does not exist |
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Subjective, nonlinear | Low internal consistency computed |
Ordinal scale with score meaning, level, differences, and divisions unknown | Need for testing scale for responsivity to change over time |
Scores cannot differentiate nor compare patients | Can be affected by prior patient activities, but not recorded |
All score sections reported, but what do they mean? | Completed in a limited timeframe (clinic visit) |
No connection to clinical stages | Questions difficult to read and understand |
Only native English-speaking rated and patients participated in initial testing | Responses based on interpretation by rater and patient |
Not enough participants in any other racial or ethnic group in evaluation (other than non-Latino Caucasians) | Respondents may not answer appropriately, fear of score outcome, lower total scores |
Effects of age, gender, race, and ethnicity on ratings have not been examined | Based on physician’s experience, inexperience |
Need for non-English scale translations | Nonmotor symptoms not clinically diagnosed |
Interrater reliability needs to be established | Cannot be used as a severity measure of any behavior |
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