Characteristics of patients
| Characteristics | n (%) |
|---|---|
| Male | 80 (65.0%) |
| Age (years) | |
| Median (range) | 36 (18~69) |
| Ann Arbor stage at diagnosis | |
| I | 33 (26.8%) |
| II | 30 (24.4%) |
| III | 6 (4.9%) |
| IV | 54 (43.9%) |
| IPI score | |
| 0~1 | 61 (49.6%) |
| 2~3 | 51 (41.5%) |
| 4~5 | 11 (8.9%) |
| B symptoms | |
| Present | 25 (20.3%) |
| Absent | 98 (79.7%) |
| Serum LDH>ULN | 50 (40.7%) |
| Extra-nodal site | |
| Bowel | 32 (26.0%) |
| Stomach | 22 (17.9%) |
| Bone marrow | 11 (8.9%) |
| Central nervous system | 2 (1.6%) |
| Risk stratification | |
| Low | 49 (39.8%) |
| High | 74 (60.2%) |
ULN, upper limit of normal; IPI, international prognosis index; LDH, lactate dehydrogenase.