Table 2

Patient characteristics

CharacteristicNumber/value
Number of patients28
Sex
 Male18
 Female10
Prior ASNase hypersensitivity4
Median age at relapse, years7.9
 (range)(3.9–18.3)
Immunophenotype
 B cell24
 T cell3
 Null cell1
Median initial remission36
 Duration, months (range)(5–45)
Site of relapse
 Medullary17
 Isolated11
 With CNS3
 With testicle2
Extramedullary only11
 CNS8
 Other extramedullary site3