Five-year survival in adult CLL patients is 85-90%. Five-year survival rates vary according to patients’ age at diagnosis (Table 4).
Table 4 Five-year survival of CLL patients according to age at diagnosis
| Age at diagnosis | Five-year survival (%) |
| 18-59 years | 95% |
| 60-69 years | 91% |
| 70-79 years | 85% |
| ≥80 years | 77% |
