Table 1.

Patient characteristics

Patients, n	56
Median age (range), years	76.5 (67–88)
Male, %	54
M-protein, %
IgG	52
IgA	30
BJP	14
IgD	4
ISS, %
I	34
II	32
III	34
PS, %
0	7
1	66
2≤	27
Frequency of CRAB, %
Hypercalcification	5
Anemia	59
Renal failure	38
Bone disease	66
On hemolysis dialysis, %	5

BJP, Bence-Jones protein; ISS, International Staging System; PS, performance status.