Table 2.
Features used in the presentation of risk-adjusted mortality rates for coronary catheterization by 10 German portals.
| Elements of information presentation | n | Portals |
| Table with symbols | 3 | B, I, K |
| Table without symbols | 2 | C, E, |
| Bar chart without symbols | 1 | G |
| Bar chart with symbols | 4 | A, D, F, H |
| Bar chart with traffic light symbols | 3 | A, D, H |
| Bar chart with thumb symbols | 1 | F |
| Symbols only | 0 | — |
| Evaluative word labels | 0 | — |
| Highlighting | 0 | — |
| Providers ranked by performance | 2 | D, H |
| High values indicating good performance | 0 | — |
| Explicit statement about whether high or low values indicate good performance | 5 | A, D, G, H, I |
| No statement about scale direction, but a “good quality” range identified | 2 | A, H |
| Incomplete data (“N/A” as a value) | 4 | B, C, F, K |