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Patients' Characteristics According to Stage-modified IPI
| Characteristics (adverse factors of all patients) | Number of patients (%) |
|---|---|
| Age > 60 years | 24 (28.9) |
| Serum LDH > 245 U/L | 40 (48.2) |
| ECOG Performance Status ≥ 2 | 9 (10.8) |
| Lugano stage ≥ II2 | 54 (65.1) |
| Extranodal site involvement (excluding stomach) ≥ 1 | 9 (10.8) |
| Risk groups (number of risk factors) | |
| Low risk group (0-1) | 38 (45.8) |
| Intermediate risk group (2) | 26 (31.3) |
| High risk group (3-5) | 19 (22.9) |
