Table 1.
| PTCL Subtype | Median Age at Diagnosis (Y) | Worldwide Distribution (%) | North American Distribution (%) | European Distribution (%) | Asian Distribution (%) |
|---|---|---|---|---|---|
| PTCL-NOS | 60 | 25.6 | 34.4 | 34.3 | 22.4 |
| AITL | 65 | 19.5 | 16.0 | 28.7 | 17.9 |
| ALK − ALCL | 58 | 5.5 | 16.0 | 9.4 | 2.6 |
| ALK + ALCL | 34 | 6.6 | 7.8 | 6.4 | 3.2 |
| NKTCL | 52 | 10.4 | 5.1 | 4.3 | 22.4 |
| ATLL | 62 | 9.6 | 2.0 | 1.0 | 25.0 |