Calculation of incremental cost-effectiveness ratios (ICERs) for the new care method versus usual care method
| Outcome | Costs | ICER | Quadrant distribution | |||
| NE | SE | SW | NW | |||
| Process time | Direct costs | −€71/−24=3 | 0% | 100% | 0% | 0% |
| Patient satisfaction | Total costs | −€101/0.41=−248 | 0% | 100% | 0% | 0% |
| Correct diagnoses | Total costs | −€65/0.01=−5853 | 0% | 11% | 88% | 1% |