Patients
PDD, parkinsonism
PARKINSONISM
The study included patients with DLB who had residual parkinsonism on doses of levodopa of ≤300 mg/day and met all the following eligibility criteria at the beginning of the observation period and before the beginning of the evaluation period.The inclusion criteria were as follows: outpatients aged 50 to <90 years; who met the diagnostic criteria for probable DLB with symptoms of parkinsonism as core symptoms [The main exclusion criteria were as follows: patients with parkinsonism due to causes other than DLB; patients with PDD (according to the 1-year rule [