Table I.
Characteristic | Number (%) |
---|---|
Median age (years) | 70 |
Range | (46–84) |
Gender | |
Male | 10 (59%) |
Heavy chain | |
IgG | 10 (59%) |
IgA | 5 (29%) |
Light chain only | 2 (12%) |
Light chain | |
Lambda | 10 (59%) |
Durie–Salmon stage | |
IIA | 4 (24%) |
IIIA | 13 (76%) |
International staging system | |
I | 11 (65%) |
II | 6 (35%) |
III | 2 (12%) |
β2-Microglobulin (mg/L) | |
Median (range) | 2.84 (2.13–10.7) |
Patients with β2-microglobulin >5.5 mg/L | 1 (5%) |
Hemoglobin (g/dL) | |
Median (range) | 11.6 (8.2–15.8) |
Patients with hemoglobin < 10 g/dL | 2 (11%) |
Cytogenetics | |
Deletion 13q | 4 (24%) |
Deletion 17p | 1 (6%) |
Not available | 10 (59%) |
Lytic bone disease | 11 (65%) |