OS and PFS in PTCL NOS according to IPI and PIT score. (A) OS (n = 240) according to IPI score: low (IPI 0-1), intermediate (IPI 2-3), or high (IPI 4-5). (B) OS (n = 240) according to PIT score. (C) PFS (n = 229) according to IPI. (D) PFS (n = 229) according to PIT.