Outcome in all patients, patients with therapeutic leukapheresis plus chemotherapy and patients with chemotherapy only.

Patients that were treated with leukapheresis and chemotherapy had a higher death rate in the first 24 hours and first 7 days compared to patients receiving chemotherapy only. Reasons for lack of evaluation for remission status in 5 patients were a) no diagnostic bone marrow biopsy due to patient desire (n = 1) b) loss of follow-up (n = 1), end of follow- up (n = 1), no complete induction therapy (n = 2). Abbreviations: LA, leukapheresis, n, number.