Table 1. Patient characteristics (n=442).
| Characteristic | No. | (%) |
|---|---|---|
| Age, years | ||
| >60 | 194 | 44 |
| Gender | ||
| Male | 265 | 60 |
| Vital status | ||
| Alive | 192 | 43 |
| Deceased | 250 | 57 |
| Histology | ||
| PTCL-NOS | 172 | 39 |
| AITL | 88 | 20 |
| ALCL, ALK (−) | 55 | 12 |
| ALCL, ALK (+) | 36 | 8 |
| ALCL, ALK unknown | 19 | 4 |
| NK/T | 23 | 5 |
| HSPTCL | 13 | 3 |
| EATL | 11 | 2 |
| Othera | 5 | 2 |
| Unclassifiable | 20 | 5 |
| IPI | ||
| 0–1 | 74 | 17 |
| 2–3 | 143 | 32 |
| 4–5 | 88 | 20 |
| Missing | 137 | 31 |
| Ann Arbor stage | ||
| I | 65 | 15 |
| II | 38 | 9 |
| III | 73 | 16 |
| IV | 241 | 54 |
| Missing | 25 | 6 |
| Front-line treatment | ||
| Multiagent | ||
| Anthracycline based | 288 | 65 |
| Nonanthracycline | 38 | 9 |
| Other | ||
| Steroids | 11 | 2 |
| Radiation | 11 | 2 |
| Single-agent chemotherapy | 10 | 2 |
| Phototherapy/ECP | 1 | <1 |
| None | 49 | 11 |
| Unknown | 34 | 8 |
Abbreviations: AITL, angioimmunoblastic T-cell lymphoma; ALCL, anaplastic large-cell lymphoma; ALK, anaplastic lymphoma kinase; EATL, enteropathy-associated T-cell lymphoma; ECP, extracorporeal phototherapy; HSPTCL, hepatosplenic T-cell lymphoma; IPI, International Prognostic Index; NK/T, natural killer/T cell; PTCL-NOS, peripheral T-cell lymphoma-not otherwise specified.
a
'Other' includes subcutaneous panniculitic T cell lymphoma (SCPTCL), adult T-cell leukemia/lymphoma (ATLL) and T-cell large granular lymphocytic (T-LGL) leukemia.