Table 3.
Medians (IQRs) of the erythrocyte parameters in MM patients subdivided according to the ISS stage.
| ISS stage I (n = 41) | ISS stage II (n = 49) | ISS stage III (n = 100) | KWS | p | |
|---|---|---|---|---|---|
| Ht % | 36.70 (9.45) | 33.00 (6.90) | 29.45 (6.87)***# | 24.63 | < 0.0001 |
| Hb (g/dL) | 12.10 (3.60) | 10.50 (2.50)* | 9.65 (2.20)***# | 28.66 | < 0.0001 |
| MCV (fL) | 92.40 (9.55) | 93.20 (10.9) | 92.25 (8.22) | 1.487 | 0.4755 |
| RDW % | 14.00 (2.10) | 14.60 (2.25) | 15.90 (3.77)*** | 15.48 | 0.0004 |
IQR interquartile range, MM multiple myeloma, ISS international staging system, KWS Kruskal–Wallis statistic, Ht haematocrit, Hb haemoglobin, MCV mean cell volume, RDW red blood cells distribution width.
*p < 0.05 ,***p < 0.001 vs ISS stage I (Dunn’s multiple comparison test).
#p < 0.05 vs ISS stage II (Dunn’s multiple comparison test).