Risk reclassification in the derivation cohort
| CHA2DS2-VASc | |||
| High risk | Low risk | ||
| CHA2DS2-VASc-RAF | High risk | Thrombus: 35 | Thrombus: 14 |
| No thrombus: 198 | No thrombus: 124 | ||
| Low risk | Thrombus: 3 | Thrombus: 7 | |
| No thrombus: 191 | No thrombus: 452 | ||
Risk categories
CHA2DS2-VASc score: high risk: ≥2 points in men, ≥3 points in women; low risk: 0-1 points in men, 0-2 points in women.
CHA2DS2-VASc-RAF score: high risk: ≥5 points in men, ≥6 points in women; low risk: 0-4 points in men, 0-5 pointsin women.