Table 2.
Selected cost parameters used in the model (greater detail and full list provided in Additional files 5 and 4)
| Variable name | Variable definition | Source, derivation and application | Expected value and 95 % uncertainty interval |
|---|---|---|---|
| Incremental CCC cost from diagnosis to surgery | Incremental cost of CCC programme from provisional diagnosis to surgery (difference in costs for pathway of care with CCC minus pathway of care in business-as-usual comparator) | Consultation with local health care professionals (costed based on average salaries + 50 % overheads) | $64.03 per patient |
| ($29.42 to $98.64) | |||
| Normal distribution | |||
| See Additional file 5 | |||
| Incremental CCC cost from surgery to start of chemotherapy | Incremental cost of CCC programme from surgery to start of chemotherapy | Consultation with local health care professionals (costed based on average salaries + 50 % overheads) | $5.00 per patient |
| ($-10.39 to $20.39) | |||
| Normal distribution | |||
| See Additional file 5 | |||
| Cost of chemotherapy per patient | Cost per patient of 12 cycles of chemotherapy with oxaliplatin over 6 months | Bottom-up costing approach including cost of pharmaceuticals, outpatient attendance and overheads. | $17,811.78 per patient ($14,494.69 to $21,390.41) |
| Gamma distribution | |||
| See Additional file 4 | |||
| Dietician costs | Additional costs from dietician referrals precipitated by a CCC | Expert estimates | $115.89 per patient ($81.38 to $141.16) |
| Referrals estimated to increase by 50 %, 2 contacts per referral. See Additional files 5 and 4 | Gamma distribution | ||
| Social worker costs | Additional costs from social worker referrals precipitated by a CCC | Referrals estimated to increase by 42 %, 6 contacts per referral. | $327.95 to $483.97 |
| See Additional files 5 and 4 | Gamma distribution |