Table 1. Patient characteristics.

Characteristics	Number of patients, n (%)
total patients, n (%)	27 (100%)
gender, n (%)
Female	10 (37%)
Male	17 (63%)
type, n (%)
IgM Kappa	1 (3.7%)
IgG Kappa	11 (41%)
IgG Lambda	3 (11%)
IgA Kappa	2 (7.4%)
IgA Lambda	4 (14.8%)
BJP Kappa	3 (11%)
IgG Kappa + IgA Lambda	1 (3.7%)
IgG Kappa + IgG Lambda	1 (3.7%)
n.a.	1 (3.7%)
stage, n (%)
MGUS	7 (26%)
Plasmacytoma	1 (3.7%)
MM
I	10 (37%)
II	1 (3.7%)
III	7 (26%)
n.a.	1 (3.7%)