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Table 1 Baseline characteristics of T-cell lymphoma patients

From: Quantitative evaluation of interim positron emission tomography in peripheral T-cell lymphoma

  ALK-neg. peripheral T-cell lymphomas ALK-pos. anaplastic large cell lymphoma
  Included Excluded Included Excluded
No. of patients 43 12 14 7
Peripheral T-cell lymphoma, not otherwise specified 15 5 n.a n.a
Angioimmunoblastic T-cell lymphoma 13 5 n.a n.a
ALK-negative anaplastic large cell lymphoma 12 1 n.a n.a
Unclassified T-cell lymphoma 3 1 n.a n.a
Age – median (range), years 61 (26–77) 70 (29–79) 34 (20–66) 32 (19–54)
Male sex 30 (70%) 9 (75%) 9 (64%) 7 (100%)
ECOG performance status ≥ 2 3 (7%) 1 (8%) 0 (0%) 1 (14%)
Ann Arbor stage III or IV 30 (70%) 8 (67%) 5 (36%) 5 (71%)
Extranodal sites > 1 10 (23%) 1 (8%) 2 (14%) 0 (0%)
Lactate dehydrogenase > ULN 25 (58%) 7 (58%) 3 (21%) 1 (14%)
International Prognostic Index     
Low risk 16 (37%) 2 (17%) 11 (79%) 5 (71%)
Low-intermediate risk 9 (21%) 6 (50%) 3 (21%) 2 (29%)
High-intermediate risk 12 (28%) 3 (25%) 0 (0%) 0 (0%)
High risk 6 (14%) 1 (8%) 0 (0%) 0 (0%)
  1. ECOG, Eastern Cooperative Oncology Group; ULN, upper limit of normal