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 3 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
GCEP staff Direct allocation Project record Total salary/caseload
Overhead Direct allocation Project record Total spending/caseload
Capital Direct amortization and allocation Project record Annual equivalent/caseload

NUH, National University Hospital; OGD, oesophago-gastro-duodenoscopy; LTA, Land Transportation Authority; MOM, Ministry of Manpower.

*Nine items used means, two items used medians, four items used direct allocation based on weight and yearly totals.

Zhou et al.

Zhou et al. BMC Health Services Research 2013 13:139   doi:10.1186/1472-6963-13-139

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