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Dots represent the Baseline BAI scores of patients regarding their cognitive status at three years follow-up. The boxes include the median and the values between the 25th and 75th percentiles; *p < 0.01; The cutoff is 13. PD-NC, Parkinson's disease patients with normal cognitive; PD-MCI, Parkinson's disease patients with mild cognitive impairment; BAI, Beck Anxiety Inventory; BL, Baseline. AI scores of patients regarding their cognitive status at three years follow-up.
