Table 1 Main results in subgroups based on image quality
Image quality | Good | Good | Good and fair | Good and fair | Fair and poor | Fair and poor | Green-flagged | Green-flagged |
|---|---|---|---|---|---|---|---|---|
Measurement | Manual | Manual | Manual | Manual | Manual | Manual | ML | ML |
Operator | Expert | Novice | Expert | Novice | Expert | Novice | Expert | Novice |
Patients, n | 41 | 41 | 84 | 84 | 54 | 54 | 80 | 80 |
Reproducibility | 5 ± 4% | 6 ± 4% | 5 ± 4% | 6 ± 5% | 5 ± 4% | 5 ± 5% | 5 ± 4% | 6 ± 5% |
Correlation coef. | r = 0.86 | r = 0.78 | r = 0.85 | r = 0.81 | r = 0.86 | r = 0.83 | r = 0.86 | r = 0.82 |
Bias (mean ± SD) | 0 ± 6% | 0 ± 7% | 0 ± 6% | 0 ± 7% | − 1 ± 6% | − 1 ± 6% | 0 ± 6% | 0 ± 7% |
Sensitivity | – | – | 65% | 73% | – | – | 65% | 69% |
Specificity | – | – | 100% | 100% | – | – | 100% | 100% |