Demographic, clinical, and laboratory characteristics of patients with solitary plasmacytoma of bone for whom an FLC ratio was available at the time of diagnosis (N = 116)
. | FLC ratio . | . | . | |
|---|---|---|---|---|
| Characteristic . | Abnormal . | Normal . | P . | |
| Sex, no. (%) | .63 | |||
| Male | 37 (68.5) | 45 (72.6) | ||
| Female | 17 (31.5) | 17 (27.4) | ||
| Age at diagnosis, y | .74 | |||
| Median | 61.5 | 59.5 | ||
| Range | 26.0-93.0 | 30.0-86.0 | ||
| Fracture, no. (%) | .96 | |||
| Yes | 11 (20.5) | 12 (20.0) | ||
| No | 43 (79.6) | 48 (80.0) | ||
| Hemoglobin, g/L | .53 | |||
| Median | 133 | 138 | ||
| Range | (95-170) | (87-170) | ||
| Serum monoclonal protein, no. (%) | .32 | |||
| Positive | 37 (68.5) | 37 (59.7) | ||
| Negative | 17 (31.5) | 25 (40.3) | ||
| Serum M spike, g/dL | .04 | |||
| Median | 1.0 | 0.3 | ||
| Range | 0.0-3.0 | 0.0-2.6 | ||
| Urine monoclonal protein, no. (%) | < .001 | |||
| Positive | 31 (60.8) | 11 (20.4) | ||
| Negative | 20 (39.2) | 43 (79.6) | ||
| Urine M spike, g/24 h | .58 | |||
| Median | 0.0 | 0.0 | ||
| Range | 0.0-0.2 | 0.0-0.2 | ||
| Reduction in uninvolved Igs, no. (%) | .19 | |||
| 0 | 15 (51.7) | 21 (72.4) | ||
| 1 | 10 (34.5) | 7 (24.1) | ||
| 2 | 1 (3.4) | 4 (13.8) | ||
. | FLC ratio . | . | . | |
|---|---|---|---|---|
| Characteristic . | Abnormal . | Normal . | P . | |
| Sex, no. (%) | .63 | |||
| Male | 37 (68.5) | 45 (72.6) | ||
| Female | 17 (31.5) | 17 (27.4) | ||
| Age at diagnosis, y | .74 | |||
| Median | 61.5 | 59.5 | ||
| Range | 26.0-93.0 | 30.0-86.0 | ||
| Fracture, no. (%) | .96 | |||
| Yes | 11 (20.5) | 12 (20.0) | ||
| No | 43 (79.6) | 48 (80.0) | ||
| Hemoglobin, g/L | .53 | |||
| Median | 133 | 138 | ||
| Range | (95-170) | (87-170) | ||
| Serum monoclonal protein, no. (%) | .32 | |||
| Positive | 37 (68.5) | 37 (59.7) | ||
| Negative | 17 (31.5) | 25 (40.3) | ||
| Serum M spike, g/dL | .04 | |||
| Median | 1.0 | 0.3 | ||
| Range | 0.0-3.0 | 0.0-2.6 | ||
| Urine monoclonal protein, no. (%) | < .001 | |||
| Positive | 31 (60.8) | 11 (20.4) | ||
| Negative | 20 (39.2) | 43 (79.6) | ||
| Urine M spike, g/24 h | .58 | |||
| Median | 0.0 | 0.0 | ||
| Range | 0.0-0.2 | 0.0-0.2 | ||
| Reduction in uninvolved Igs, no. (%) | .19 | |||
| 0 | 15 (51.7) | 21 (72.4) | ||
| 1 | 10 (34.5) | 7 (24.1) | ||
| 2 | 1 (3.4) | 4 (13.8) | ||