Table 1.
Baseline characteristics of MM patients with detectable CPCs on peripheral blood smear at diagnosis, 1971–2016
| N | |
|---|---|
| Sex (%) | |
| Male | 99 (56) |
| Female | 77 (44) |
| Age, median (range) | 62 (34–93) |
| Year of diagnosis (%) | |
| 1971–1980 | 48 (27) |
| 1981–1990 | 25 (14) |
| 1991–2000 | 31 (18) |
| 2001–2010 | 33 (19) |
| 2011–2016 | 39 (22) |
| Hemoglobin, g/dL, median (range) | 9.1 (5.0–14.8) |
| WBC, × 109/L, median (range) | 7.4 (0.9–196.3) |
| Plasma cells, × 109/L, median (range) | 0.7 (0.0–163.9) |
| Platelets, × 109/L, median (range) | 133 (14–430) |
| Calcium, mg/dL, median (range) | 9.7 (4.4–16.0) |
| Creatinine, mg/dL, median (range) | 1.8 (0.6–34.0) |
| CPCs, %, median (range) | 9.8 (0.5–96.0) |
| < 5 (%) | 54 (31) |
| 5–19 (%) | 63 (36) |
| ≥ 20 (%) | 59 (34) |
| BMPCs, %, median (range) | 80 (4–100) |
BMPCs bone marrow plasma cells, CPCs circulating plasma cells, WBC white blood cell count