Table 3.
Repeatability (Same Video Clip Used Twice), and Reproducibility (Different Video Clip Per Patient) of the AI HFpEF Model
| Read 2 |
|||
|---|---|---|---|
| Negative | Positive | No Classification | |
| Repeatability | |||
| Read 1 | |||
| Negative | 550 | 0 | 0 |
| Positive | 0 | 640 | 0 |
| No classification | 0 | 0 | 94 |
| Negative agreement (95% CI) | 100 | ||
| Positive agreement (95% CI) | 100 | ||
| No classification agreement (95% CI) | 100 | ||
| Reproducibility | |||
| Read 1 | |||
| Negative | 20 | 3 | 3 |
| Positive | 3 | 39 | 2 |
| No classification | 3 | 4 | 5 |
| Negative agreement (95% CI) | 76.9 (60.0-90.3) | ||
| Positive agreement (95% CI) | 86.7 (76.9-94.3) | ||
| No classification agreement (95% CI) | 45.5 (13.3-72.0) | ||
AI = artificial intelligence; HFpEF = heart failure with preserved ejection fraction.