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. 2017 Mar 5;2017:3410946. doi: 10.1155/2017/3410946

Table 6.

Most common variables found in the cost studies of Parkinson's disease.

Patient/disease Direct medical cost Direct nonmedical cost Indirect cost Out-of-pockets
Age Hospitalization Ancillary therapy/rehabilitation Retirement Transportation
Gender Pharmacotherapy
(PD and comorbidities)
Home Care Retirement premature Special food
Marital status Outpatient visit Transportation Sick leave Laundry
Instruction Diagnostics Special equipment Working days loss of the patient Home Care
Working status Nursing home Home modification Working days loss of the caregivers Caregivers
Duration of PD Copayments Productivity loss Special equipment
Comorbidities Loss of leisure time Home modification
H & Y stage1 Private health plans
UPDRS2 Copayments
PQD-393
MMSE4

1Hoehn & Yahr scale of disability/2Unified Parkinson's Disease Rating Scale/3Parkinson's Disease Questionnaire–39 (quality of life)/4Mini-Mental State Examination.

Variables that may be in more than one cost type.