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Stratification and frequencies of onset for LAHS based on risk group as defined by the new risk index.
| Risk group | No. of factors (%) | No. of patients (%) | LAHS onset (%) |
|---|---|---|---|
| Low risk | 0 | 233(79.0%) | 2(0.9%) |
| Intermediate risk | 1 | 43(14.6%) | 6(14.0%) |
| High risk | 2-3 | 19 (6.4%) | 13(68.4%) |
