Table 1 Cost components and cost estimation of the GCEP (NUH) (2004–2010)
Components | Items | Estimate methods | Data source | Resource quantification (per GCEP service) | *unit cost |
|---|---|---|---|---|---|
Patient | |||||
Clinical | Medications | Micro-costing | Casenotes & NUH | Name & dosage of medication | Price charged by NUH |
Consultation | Case-mix | Casenotes & NUH | Specialist consultation within 3Â months after OGD | Mean charge by NUH | |
Diagnostic test | Case-mix | Casenotes & NUH | Tests prescribed at follow-up | Mean charge by NUH | |
Histology | Case-mix | Casenotes & NUH | Biopsy during OGD | Mean charge by NUH | |
Endoscopy | Case-mix | Casenotes & NUH | Baseline & opportunistic OGD | Mean charge by NUH | |
Non-clinical | Transportation | National Mean | Casenotes & LTA | Round trip with mean mileage | Taxi fare based on mileage by year |
Patient time | Human capital approach | Casenotes & MOM | One day prescribed | Median age-gender specific wage by year | |
Caregiver time | Human capital approach | Casenotes & MOM | One day prescribed | Median gross wage by year | |
GCEP | |||||
Clinical | Endoscopy | Case-mix | Casenotes & NUH | Endoscopy & related procedure | Fixed charge negotiated with NUH |
Histology | Case-mix | Casenotes & NUH | Biopsy during OGD | Fixed charge negotiated with NUH | |
Urease | Case-mix | Casenotes & NUH | Urease test during OGD | Fixed charge negotiated with NUH | |
Doctor’s time for OGD | Case-mix | Casenotes & NUH | Mean duration for OGD | Mean salary/minute | |
Non-clinical | Consumables | Direct allocation | Project record | Total spending/caseload | Â |
GCEP staff | Direct allocation | Project record | Total salary/caseload | Â | |
Overhead | Direct allocation | Project record | Total spending/caseload | Â | |
Capital | Direct amortization and allocation | Project record | Annual equivalent/caseload | Â | |