Dopaminergic versus anticholinergic treatment effects on physiologic complexity of hand tremor in Parkinson's disease: A randomized crossover study.

The ANCOVA models demonstrated that at the levodopa visit, compared to “medication‐off” state, the tremor complexity was significantly increased in “medication‐on” state ( p = 0.007); however, at the benzhexol visit, compared to “medication‐off” state, there was a decreasing trend of tremor complexity toward significance in “medication‐on” state ( p = 0.07).

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