Table 1. Total and annual costs (US$) broken down by pharmacist intervention adhered to at moments of conciliation and follow-up by the clinical pharmacy service.
| Intervention category | Cost without CP service | Cost with CP service | CP service marginal cost (SD) | Avoided costs for the PHS (SD) |
|---|---|---|---|---|
| Medication introduction | 0 | 518 | 518 | 26,481 |
| Medication withdrawal | 269 | 0 | −269 | 14,789 |
| Dose increase | 243 | 532 | 290 | 10,132 |
| Dose reduction | 1,962 | 1,393 | −569 | 7,695 |
| Medication replacement | 27 | 76 | 48 | 4,568 |
| Administration time adjustment | 0 | 0 | 0 | 8,449 |
| Administration route change | 32 | 21 | −11 | 12 |
| Dosage form change | 353 | 12 | −341 | 753 |
| Pharmaceutical form concentration change | 30 | 25 | −5 | 178 |
| Infusion rate change | 9 | 10 | 0.6 | 513 |
| Examination requirement | 0 | 886 | 886 | 3,038 |
| Other | 0 | 0 | −0.6 | 0.6 |
| Total | 2,927 | 3,473 | 547 | 76,609 |
| Cost per year | 976 | 1,158 | 182±32 | 25,536±4,923 |
CP: clinical pharmacy; PHS: Public Health System; Marginal cost: (cost with clinical pharmacy service by intervention – cost without clinical pharmacy service by intervention); SD: standard deviation.
Note: Negative results in the marginal cost mean resource saving for the hospital.