Example of Cohort Groups Studies for a Formative HF Study
| Group | Characteristic | Stratification | Sample Size (Subjects) | Failures (Subjects) | Failure Rate |
|---|---|---|---|---|---|
| All Subjects | Overall | N/A | 34 | 15 | 44% |
| HCPs | Overall | N/A | 6 | 1 | 17% |
| Caregivers | Overall | N/A | 5 | 2 | 40% |
| Patients | Overall | N/A | 23 | 12 | 52% |
| By Age Group | 18–64 years | 12 | 4 | 33% | |
| ≥65 years | 11 | 7 | 64% | ||
| By Experience | Naïve | 10 | 6 | 60% | |
| Experienced | 13 | 5 | 38% | ||
| By Impairment | Hand | 6 | 2 | 33% | |
| Colorblind | 3 | 0 | 0% | ||
| Other Vision | 5 | 2 | 40% | ||
| None | 17 | 9 | 53% |