Table 1.
Patient characteristics
| Patients (N) | 72 |
| Gender | |
| Male | 37 (51.4%) |
| Female | 35 (48.6%) |
| Age | |
| Median | 70 |
| Range | 41–88 |
| Ig subtype | |
| IgG | 45 (62.5%) |
| IgA | 17 (23.6%) |
| BJP | 7 (9.7%) |
| IgD | 1 (1.4%) |
| NA | 2 (2.8%) |
| ISS stage | |
| I | 24 (33.3%) |
| II | 23 (32%) |
| III | 25 (34.7%) |
| Hb | |
| <10 gr/dl | 30 (41.7%) |
| Creatinine | |
| >UNL | 20 (27.8%) |
| ≥2 mg/dl | 12 (16.7%) |
| LDH | |
| >240 U/L | 9 (12.5%) |
| Osteolysis | |
| Present | 53 (73.6%) |
| Bone disease | |
| Stage A | 19 (26.4%) |
| Stage B | 21 (29.2%) |
| Stage C | 32 (44.4%) |
| MRI marrow infiltration pattern | |
| Normal | 15 (20.8%) |
| Focal | 32 (44.4%) |
| Diffuse | 25 (34.7%) |
| Calcium (albumin adjusted) | |
| ≤10.1 mg/dl | 47 (65.3%) |
| 10.2–11.5 mg/dl Grade I | 19 (26.4%) |
| 11.5–12.5 mg/dl Grade II | 4 (5.5%) |
| 12.5–13.5 mg/dl Grade III | 2 (2.8%) |
| >13.5 mg/dl Grade IV | 0 |
BJP Bence Jones Proteinuria, NA not available, UNL upper normal limit, ISS Multiple Myeloma International Staging System, Hb hemoglobin, LDH lactate dehydrogenase, MRI magnetic resonance imaging