Clinical characteristics of 273 patients with SMM
| Characteristic . | Quantity . |
|---|---|
| Median age, y (range) | 64 (26-90) |
| Cutoff age, % patients | |
| Younger than 40 y | 3 |
| Younger than 50 y | 13 |
| 50 to 59 y | 23 |
| 60 to 69 y | 33 |
| Older than 70 y | 30 |
| Male sex, % patients | 62 |
| Hemoglobin, median g/L (range) | 130 (100-168) |
| Creatinine median (range): greater than or equal to 176.8 μM, % | 97.24 (53.04-167.96); <1 |
| Calcium median (range): greater than or equal to 2.75 μM, % | 9.3 (8.2-10.8); 0 |
| Serum M protein, median g/L (range) | 29 (5-54) |
| Heavy chain type, IgG/IgA/IgD/biclonal, % | 74/23/<1, and 3 |
| Reduced uninvolved immunoglobulins, % | 81 |
| Kappa FLC for kappa patients, median mg/L (range) | 62 (1-11 100) |
| Lambda FLC for lambda patients, median mg/L (range) | 105 (11-3450) |
| Ratio of involved-uninvolved, median (range) | 11.2 (0.3-11 186) |
| Urine M protein present, % | 54 |
| Urine M protein g/24 hours, median (range) | 0.001 (0.0-1.7) |
| BMPC, median % | 17 |
| Cutoff level, % | |
| Less than 10 | 10 |
| 10 to 19 | 50 |
| 20 to 29 | 13 |
| 30 to 39 | 9 |
| 40 to 49 | 8 |
| 50 or more | 10 |
| Characteristic . | Quantity . |
|---|---|
| Median age, y (range) | 64 (26-90) |
| Cutoff age, % patients | |
| Younger than 40 y | 3 |
| Younger than 50 y | 13 |
| 50 to 59 y | 23 |
| 60 to 69 y | 33 |
| Older than 70 y | 30 |
| Male sex, % patients | 62 |
| Hemoglobin, median g/L (range) | 130 (100-168) |
| Creatinine median (range): greater than or equal to 176.8 μM, % | 97.24 (53.04-167.96); <1 |
| Calcium median (range): greater than or equal to 2.75 μM, % | 9.3 (8.2-10.8); 0 |
| Serum M protein, median g/L (range) | 29 (5-54) |
| Heavy chain type, IgG/IgA/IgD/biclonal, % | 74/23/<1, and 3 |
| Reduced uninvolved immunoglobulins, % | 81 |
| Kappa FLC for kappa patients, median mg/L (range) | 62 (1-11 100) |
| Lambda FLC for lambda patients, median mg/L (range) | 105 (11-3450) |
| Ratio of involved-uninvolved, median (range) | 11.2 (0.3-11 186) |
| Urine M protein present, % | 54 |
| Urine M protein g/24 hours, median (range) | 0.001 (0.0-1.7) |
| BMPC, median % | 17 |
| Cutoff level, % | |
| Less than 10 | 10 |
| 10 to 19 | 50 |
| 20 to 29 | 13 |
| 30 to 39 | 9 |
| 40 to 49 | 8 |
| 50 or more | 10 |