| Table 3. Survival per CLL‐IPI risk group | ||||
| Risk group | Risk score | Development study (training dataset): percentage of persons surviving at 5 years (95% CI) | Pooled percentage of persons surviving at 5 years (95% CI) | 95% prediction interval (PI) |
| Low risk | 0‐1 | 93.2% (90.5% to 96.0%) | 92.5% (89.2% to 94.8%) | 82.5% to 97.0% |
| Intermediate risk | 2‐3 | 79.3% (75.5% to 83.2%) | 85.0% (79.7% to 89.1%) | 68.8% to 93.6% |
| High risk | 4‐6 | 63.3% (57.9% to 68.8%) | 64.9% (56.4% to 72.6%) | 41.9% to 82.6% |
| Very high risk | 7‐10 | 23.3% (12.5% to 34.1%) | 40.4% (29.3% to 52.6%) | 13.2% to 72.4% |
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