Figure 1From: Trigger medications and patient-related risk factors for Parkinson disease psychosis requiring anti-psychotic drugs: a retrospective cohort study Flow diagram of patients included in and excluded from the study. The numbers of patients included and excluded in the analyses. The study involved Analysis I (patient-related factor in a survival time analysis and Analysis II (intra-subject comparison of medication). *According to the purpose of analyses, all participants were included in Analysis I, and participants without psychosis were excluded from Analysis II. Back to article page