Table 5.
Medians (IQR) of the erythrocyte parameters according to the Beta2-MG in MM and their isotypes.
| A) All MM (n = 190) |
Beta2-MG < median (n = 94) | Beta2-MG ≥ median (n = 96) | p |
|---|---|---|---|
| Ht % | 33.95 (9.05) | 29.55 (6.78) | < 0.0001 |
| Hb (g/dL) | 11.10 (3.055) | 9.65 (2.18) | < 0.0001 |
| MCV (fL) | 92.90 (9.68) | 91.65 (8.15) | 0.6895 |
| RDW % | 14.40 (2.72) | 15.90 (3.45) | 0.0006 |
| B) LCMM (n = 27) |
Beta2-MG < median (n = 13) | Beta2-MG ≥ median (n = 14) | p |
|---|---|---|---|
| Ht % | 38.30 (9.90) | 27.90 (8.37) | 0.0041 |
| Hb (g/dL) | 13.30 (3.65) | 9.70 (2.005) | 0.0053 |
| MCV (fL) | 93.00 (11.80) | 89.95 (12.28) | 0.8300 |
| RDW % | 13.50 (5.75) | 14.55 (2.03) | 0.8020 |
| C) IgA MM (n = 56) |
Beta2-MG < median (n = 28) | Beta2-MG ≥ median (n = 28) | p |
|---|---|---|---|
| Ht % | 32.85 (6.95) | 29.60 (8.70) | 0.1900 |
| Hb (g/dL) | 10.40 (2.575) | 9.55 (2.605) | 0.0552 |
| MCV (fL) | 93.95 (9.35) | 90.35 (7.95) | 0.6993 |
| RDW % | 15.10 (3.20) | 17.20 (5.07) | 0.0097 |
| D) IgG MM (n = 107) |
Beta2-MG < median (n = 53) | Beta2-MG ≥ median (n = 54) | p |
|---|---|---|---|
| Ht % | 34.50 (7.80) | 29.65 (5.50) | 0.0003 |
| Hb (g/dL) | 11.40 (2.85) | 9.75 (2.20) | 0.0001 |
| MCV (fL) | 92.40 (9.50) | 92.15 (8.27) | 0.3395 |
| RDW % | 14.10 (2.25) | 15.70 (2.67) | 0.0061 |
IQR interquartile range, MM multiple myeloma, Beta2-MG Beta2-microglobulin, Ht haematocrit, Hb haemoglobin, MCV mean cell volume, RDW red blood cells distribution width.