Table 2.

Median cutoff category 5-year cumulative incidences of dementia since EEG among subjects with PD^a

Abbreviations: AVLT-LTM = long-term memory score on the Auditory Verbal Learning Test; BRF = background rhythm frequency; COWAT = Controlled Oral Word Association Test; JLO = Judgment of Line Orientation; MMSE = Mini-Mental State Examination; PD = Parkinson disease; PD-MCI = Parkinson disease with mild cognitive impairment; WAIS = Wechsler Adult Intelligence Scale.

^aThe hazard ratio (HR) with confidence interval (CI) and its p value is given.