Characteristics | Patients | |
---|---|---|
No. | % | |
Gender | Â | Â |
  Male | 24 | 63.2% |
  Female | 14 | 36.8% |
Age, years | Â | Â |
  >60 | 2 | 5.3% |
  ≤60 | 36 | 94.7% |
Ann Arbor Stage | Â | Â |
  I | 20 | 52.6% |
  II | 11 | 28.9% |
  III | 3 | 7.9% |
  IV | 4 | 10.5% |
Subtype of ENKTL | Â | Â |
  UNKTL | 36 | 94.7% |
  EUNKTL | 2 | 5.3% |
Tumor extending to adjacent organ/tissue in UNKTL | 26 of 36 | 72.2% |
Regional LN involvement | 18 | 47.4% |
Bony invasion or perforation | 4 | 10.5% |
B symptoms | 22 of 38 | 57.9% |
  Fever | 18 of 38 | 47.4% |
  Drenching night sweat | 9 of 38 | 23.7% |
  Weigh loss | 10 of 38 | 26.3% |
ECOG performance status | Â | Â |
  0 | 13 | 34.2% |
  1 | 24 | 63.2% |
  2 | 1 | 2.6% |
IPI score | Â | Â |
  0~1 | 27 | 71.1% |
  2 | 7 | 18.4% |
  3 | 2 | 5.3% |
  4~5 | 2 | 5.3% |
NK/T-cell PI score | Â | Â |
  0 | 10 | 26.3% |
  1 | 13 | 34.2% |
  2 | 7 | 18.4% |
  3~4 | 8 | 21.1% |
Serum LDH elevated (>240Â IU/L) | 7 | 18.4% |
ESR >30Â mm/hr | 10 | 26.3% |
β2- microglobulin elevated | 5 | 13.2% |
Hemoglobin (<110Â g/L) | 2 | 5.3% |
Leukocytopenia (<4.0 × 109/L) | 9 | 23.7% |