Influence on PFS of the percentage of PCs detected in BM after treatment in 87 patients with MM.

BM was evaluated 3 months after ASCT or 1 month after 12 cycles of chemotherapy. % MM-PCs indicates percentage of myelomatous PCs among total BM cells; % N-PCs, percentage of normal PCs among total BM cells; % N-PCs/TPCs, percentage of normal PCs among total purified/gated BMPCs; NR, not reached.