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Accuracy, defined as classification in the SFR compared with the established gold standard classification
| Accuracy | ||
|---|---|---|
| SFR vs GS | ||
| PA | Kappa (95% CI) | |
| AO/OTA group (4 signs) | 68% | 0.65 (0.56–0.73) |
| AO/OTA type (3 signs) | 86% | 0.83 (0.75–0.9) |
PA percentage of agreement, GS gold standard
