Clinical characteristics of retention and non-retention groups of patients with newly diagnosed Parkinson’s disease.

N: case number, %: percentage, MPR: medical possession rate, No medication: receive no anti-PD medication during the 7th to 12th month after starting medication, CNS: central nervous system.aANOVA test; chi-squared test for all other p-values.Post hoc test (Scheffe’s test) with statistical significance (pbRetention (MPR≥80%) group differs from Retention (MPRcRetention (MPR≥80%) group differs from Non-retention (Keep medication) group;dRetention (MPReNon-retention (Keep medication) group differs from Non-retention (No-medication) group.*p#p@p$pfThe medical institution from where patients received ≥50% medication during the first year. Subjects would be classified into multiple hospitals group if they received medication gOnly patients with medication from outpatient services were analyzed.hThe last prescription of patients with medication from outpatient services during one-year follow-up were analyzed.iDefinition of comorbidities: patients with diseases of the following ICD codes for more than three times during the outpatient services or once during hospitalization within one year after the diagnosis of Parkinson’s disease. Stroke: 430–438/A290-A294, A299; Dementia: 290, 331.0, 331.2/A210; CNS trauma: 344, 800, 801, 803, 804, 805, 806, 850, 851, 852, 853, 854, 959.01/A470, A490, A491, 952; Sepsis: 038, 020.0, 790.7, 117.9, 112.5, 112.81; Congestive heart failure: 398.91, 402.01, 402.11, 402.91, 404.01, 404.03, 404.11, 404.13, 404.91, 404.93, 425.4–425.9, 428; Liver decompensation: 570, 571.2, 571.5, 571.6, 572.2, 572.4, 567.0, 567.2, 567.8, 567.9, 789.5, 456.0, 456.1, 456.2; Renal decompensation (renal failure): 584, 585, 586, V451, V56; Respiratory failure: 5188; Neoplasm: 140–208 (excluding 195–199); Psychiatric disorders: 290–313.Clinical characteristics of retention and non-retention groups of patients with newly diagnosed Parkinson’s disease.