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Probability of PTA in dependence on the SPTA values. The likelihood for PTA increases with higher PTA score values. For SPTA values ≥ 3, the overall probability of PTA is about 89%.
| PTA score value | Probability of PTA | n |
|---|---|---|
| 0 | 0% | 21 |
| 1 | 0% | 16 |
| 2 | 18% | 17 |
| 3 | 92% | 12 |
| ≥4 | 88% | 25 |
