Patient Characteristics
| Characteristic | n | Percentage |
| Male sex | 173 | 53% |
| IPI | ||
| 0–1 | 135 | 41% |
| 2 | 81 | 25% |
| 3 | 68 | 21% |
| 4+ | 43 | 13% |
| Stage | ||
| I | 22 | 6% |
| II | 95 | 29% |
| III | 64 | 20% |
| IV | 146 | 45% |
| Performance status | ||
| 0–1 | 276 | 84% |
| 2 | 36 | 11% |
| 3 | 9 | 3% |
| 4 | 6 | 2% |
| LDH > normal | 166 | 51% |
| Extranodal sites ≥ 2 | 95 | 29% |
Median age was 55 y (quartiles, 44, 63 y).