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.