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. 2022 Jun 13;12(6):964. doi: 10.3390/jpm12060964

Table 1.

PTCL Subtypes Distribution and Median Age at Diagnosis [2,4].

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