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Cumulative incidence of dementia phenoconversion in iRBD stratified by impaired baseline testing (tests of attention and executive domains). Results are presented according to baseline neuropsychological test (impaired z‐score ≤ −1.5). Hazard ratios according to competitive risk regression are shown, adjusting for age, sex, education, depression, and study center, with 95% confidence intervals in parentheses. TMT, trail making test.
