^a)Group 1, CD20-negative and TdT-positive; group 2, CD20-negative and TdT-negative, or CD20-positive and TdT-positive; group 3, CD20-positive and TdT-negative. ^b)Indicate that no patients were included in that subgroup.

Abbreviations: IPM, immunophenotypic marker; HRFS, hematologic relapse-free survival; OS, overall survival; CRG, clinical risk group; NK-cell, natural killer cell; TdT, terminal deoxynucleotidyl transferase.