Table 1. Demographic and main clinical and biological features of the MM patients at diagnosis.

Patients	n = 45
Gender	27/18
Mean age (years)	51.7
Durie and Salmon stage (n)
stage IIA	2
stage IIIA	36
stage IIIB	7
Mean (range) bone marrow infiltration	41% (10–100)
Treatment response subcategory (n) (only 40 patients with an available follow-up data)
Complete response	9
Very good partial response	5
Partial response	21
Stable disease	5