Table 2.
Descriptions of uncertainty from included prognostic tools (N = 222).
| Included at least one description reporting aleatory uncertainty by type | N (%)a |
|---|---|
| Qualitative, Description (e.g. low/medium/high risk) | 36 (16%) |
| Qualitative, Score | 34 (15%) |
| Quantitative, Frequency | 35 (16%) |
| Quantitative, Percentage | 169 (76%) |
| Quantitative, Both frequency and percentage | 1 (<1%) |
| Quantitative, Other (e.g. probability, rate) | 10 (5%) |
| Quantitative, Time | 36 (16%) |
| Quantitative & Qualitative | 6 (3%) |
| Included at least one description with epistemic uncertainty by type | N (%)a |
| No epistemic uncertainty | 190 (86%) |
| Qualitative | 9 (4%) |
| Qualitative, Implied Range | 25 (11%) |
| Qualitative, Prefix | 25 (11%) |
| Quantitative, Range/Confidence Interval | 15 (7%) |
| Included at least one description with graphics | N (%)a |
| No graphic | 173 (80%) |
| Graphic provided | 85 (38%) |
| Bar chart | 41 (18%) |
| Icon/dot array | 31 (14%) |
| Survival/mortality curve | 17 (8%) |
| Graph/chart | 10 (4%) |
| Pie chart | 8 (4%) |
| Choice of graphic offered | 9 (5%) |
a
Many tools included multiple descriptions so the numbers sum to more than 100%.