Fig. 2: Comparison of clinical characteristics among groups with different numbers of MH in PD.

Bar charts comparing clinical scale scores (a HAMA, b HAMD, c PDSS, d PISQ, e RBDSQ, f MMSE, g MoCA, h NMSQ, i PDQ39) across different numbers of MH using analyses of variance. Error bars represent 95% confidence intervals. HAMA Hamilton Anxiety Rating Scale, HAMD Hamilton Depression Rating Scale, PDSS PD Sleep Scale, PSQI Pittsburgh Sleep Quality Index, RBDSQ Rapid Eye Movement Sleep Behavior Disorder Screening Questionnaire, MMSE Mini-Mental State Examination, MoCA Montreal Cognitive Assessment, NMSQ Non-Motor Symptoms Questionnaire, PDQ39 Parkinson’s Disease Questionnaire-39, CI confidence interval.