Table 1.
Clinical Characteristics of Patients with newly Diagnosed Adult NKTCL (n = 33)
| Characteristic | Patients | |
|---|---|---|
| No | % | |
| Age | ||
| < 60 years | 30 | 90.9 |
| ≥ 60 years | 3 | 9.1 |
| Gender | ||
| Male | 19 | 57.6 |
| Female | 14 | 42.4 |
| Primary site | ||
| UNKTCL | 30 | 90.9 |
| EUNKTCL | 3 | 9.1 |
| An Arbor stage | ||
| I~II | 21 | 63.6 |
| III~IV | 12 | 36.4 |
| B symptoms | ||
| Yes | 12 | 36.4 |
| No | 21 | 63.6 |
| ECOG | ||
| 0–1 | 27 | 81.8 |
| ≥ 2 | 6 | 18.2 |
| LDH | ||
| Increased | 7 | 21.2 |
| Normal | 26 | 78.8 |
| IPI score | ||
| 0~ 1 | 22 | 66.7 |
| ≥ 2 | 11 | 33.3 |
| β2-microglobulin | ||
| Increased | 8 | 24.2 |
| Normal | 25 | 75.8 |
| Bone marrow involvement | ||
| Yes | 4 | 12.1 |
| No | 29 | 87.9 |
| Lymph node involvement | ||
| Yes | 12 | 36.4 |
| No | 21 | 63.6 |
| Extranodal involvement site | ||
| 0~ 1 | 26 | 78.8 |
| ≥ 2 | 7 | 21.2 |
Abbreviations: UNKTCL upper aerodigestive tract NK/T-cell lymphoma, EUNKTCL non-upper aerodigestive tract NK/T-cell lymphoma, LDH lactate dehydrogenase, ECOG Eastern Cooperative Oncology Group, IPI international prognostic index