Clinical data according to TET2 status in AITL and PTCL-NOS patients
| n . | TET2 mutation . | TET2 wild-type . | P . | ||
|---|---|---|---|---|---|
| 62 . | . | 82 . | . | ||
| Sex | |||||
| Male | 38 | 61% | 43 | 52% | .18* |
| Female | 24 | 39% | 39 | 48% | |
| Median age, y | 67 | 65 | .3† | ||
| Stage | |||||
| 1 | 0 | 0% | 4 | 5% | .028‡ |
| 2 | 0 | 0% | 3 | 4% | |
| 3 | 11 | 21% | 17 | 23% | |
| 4 | 42 | 79% | 49 | 67% | |
| Median no. of extranodal localizations | 2 | 1 | .056† | ||
| Lactate dehydrogenase | |||||
| Elevated | 41 | 76% | 46 | 65% | .24* |
| Normal | 13 | 24% | 25 | 35% | |
| Hemoglobin | |||||
| ≥ 10 g/dL | 35 | 74% | 33 | 60% | .14* |
| < 10 g/dL | 12 | 26% | 22 | 40% | |
| Platelet count | |||||
| ≥ 150 000/mm3 | 34 | 72% | 48 | 89% | .04* |
| < 150 000/mm3 | 13 | 28% | 6 | 11% | |
| Direct Coombs test | |||||
| Positive | 14 | 52% | 13 | 43% | .6* |
| Negative | 13 | 48% | 17 | 57% | |
| Hypergammaglobulinemia | |||||
| Yes | 11 | 32% | 12 | 33% | > .999* |
| No | 23 | 68% | 24 | 67% | |
| B symptoms | |||||
| Yes | 40 | 78% | 38 | 58% | .028* |
| No | 11 | 22% | 27 | 42% | |
| Performance status | |||||
| 0-1 | 22 | 44% | 41 | 62% | .06* |
| 2-4 | 28 | 56% | 25 | 38% | |
| International Prognosis Index score | |||||
| 0 | 0 | 0% | 4 | 6% | .0062† |
| 1 | 2 | 4% | 4 | 6% | |
| 2 | 8 | 16% | 11 | 16% | |
| 3 | 10 | 20% | 22 | 33% | |
| 4 | 19 | 37% | 23 | 34% | |
| 5 | 12 | 24% | 3 | 4% | |
| Prognosis Model for PTCL18 | |||||
| 0 | 2 | 5% | 4 | 9% | .0045† |
| 1 | 3 | 7% | 11 | 24% | |
| 2 | 9 | 21% | 13 | 29% | |
| 3 | 18 | 43% | 13 | 29% | |
| 4 | 10 | 24% | 4 | 9% | |
| Treatment | |||||
| Anthracycline-based regimen | 37 | 69% | 40 | 58% | .5* |
| Anthracycline-based regimen and frontline transplantation | 2 | 4% | 8 | 12% | |
| Other combination of chemotherapy | 7 | 13% | 8 | 12% | |
| Single-agent chemotherapy | 5 | 9% | 7 | 10% | |
| Palliative treatment | 3 | 6% | 6 | 9% | |
| 5-y overall survival | 28% | 31% | .11§ | ||
| 5-y PFS | 10% | 21% | .047§ | ||
| n . | TET2 mutation . | TET2 wild-type . | P . | ||
|---|---|---|---|---|---|
| 62 . | . | 82 . | . | ||
| Sex | |||||
| Male | 38 | 61% | 43 | 52% | .18* |
| Female | 24 | 39% | 39 | 48% | |
| Median age, y | 67 | 65 | .3† | ||
| Stage | |||||
| 1 | 0 | 0% | 4 | 5% | .028‡ |
| 2 | 0 | 0% | 3 | 4% | |
| 3 | 11 | 21% | 17 | 23% | |
| 4 | 42 | 79% | 49 | 67% | |
| Median no. of extranodal localizations | 2 | 1 | .056† | ||
| Lactate dehydrogenase | |||||
| Elevated | 41 | 76% | 46 | 65% | .24* |
| Normal | 13 | 24% | 25 | 35% | |
| Hemoglobin | |||||
| ≥ 10 g/dL | 35 | 74% | 33 | 60% | .14* |
| < 10 g/dL | 12 | 26% | 22 | 40% | |
| Platelet count | |||||
| ≥ 150 000/mm3 | 34 | 72% | 48 | 89% | .04* |
| < 150 000/mm3 | 13 | 28% | 6 | 11% | |
| Direct Coombs test | |||||
| Positive | 14 | 52% | 13 | 43% | .6* |
| Negative | 13 | 48% | 17 | 57% | |
| Hypergammaglobulinemia | |||||
| Yes | 11 | 32% | 12 | 33% | > .999* |
| No | 23 | 68% | 24 | 67% | |
| B symptoms | |||||
| Yes | 40 | 78% | 38 | 58% | .028* |
| No | 11 | 22% | 27 | 42% | |
| Performance status | |||||
| 0-1 | 22 | 44% | 41 | 62% | .06* |
| 2-4 | 28 | 56% | 25 | 38% | |
| International Prognosis Index score | |||||
| 0 | 0 | 0% | 4 | 6% | .0062† |
| 1 | 2 | 4% | 4 | 6% | |
| 2 | 8 | 16% | 11 | 16% | |
| 3 | 10 | 20% | 22 | 33% | |
| 4 | 19 | 37% | 23 | 34% | |
| 5 | 12 | 24% | 3 | 4% | |
| Prognosis Model for PTCL18 | |||||
| 0 | 2 | 5% | 4 | 9% | .0045† |
| 1 | 3 | 7% | 11 | 24% | |
| 2 | 9 | 21% | 13 | 29% | |
| 3 | 18 | 43% | 13 | 29% | |
| 4 | 10 | 24% | 4 | 9% | |
| Treatment | |||||
| Anthracycline-based regimen | 37 | 69% | 40 | 58% | .5* |
| Anthracycline-based regimen and frontline transplantation | 2 | 4% | 8 | 12% | |
| Other combination of chemotherapy | 7 | 13% | 8 | 12% | |
| Single-agent chemotherapy | 5 | 9% | 7 | 10% | |
| Palliative treatment | 3 | 6% | 6 | 9% | |
| 5-y overall survival | 28% | 31% | .11§ | ||
| 5-y PFS | 10% | 21% | .047§ | ||