Table 3.
Rheological and biological characteristics according to nocturnal hypoxemia.
| No nocturnal hypoxaemia (n = 36) | Nocturnal hypoxoemia (n = 7) | p | |
|---|---|---|---|
| RBC deformability index at 3 Pa (UI) | 0.26 ± 0.05 | 0.18 ± 0.09 | 0.04 |
| RBC deformability index at 30 Pa (UI) | 0.47 ± 0.08 | 0.32 ± 0.13 | 0.03 |
| Blood viscosity at 22.5 s-1 (cP) | 18.1 ± 18 | 8.5 ± 7.3 | 0.039 |
| Blood viscosity at 45 s-1 (cP) | 11.9 ± 10.3 | 6.3 ± 5.2 | 0.049 |
| Hb (g/L) | 91.1 ± 15.8 | 76.7 ± 20.8 | 0.046 |
| HbF (%) | 14.8 ± 8.5 | 8.2 ± 5.6 | ns |
| Ht (%) | 26.1 ± 4.1 | 22.1 ± 6.4 | 0.05 |
| Neutrophils (G/L) | 4.4 ± 2.5 | 6.6 ± 3.1 | 0.047 |
| Moncytes (G/L) | 1 ± 0.4 | 1.7 ± 1 | 0.002 |
| Reticulocytes (%) | 9.2 ± 4 | 20.1 ± 8 | 0.011 |
| Free bilirubin (μmol/L) | 34.1 ± 26 | 87 ± 44.6 | 0.001 |
| LDH (U/L) | 356.1 ± 107.5 | 551.8 ± 89.5 | 0.001 |
| C protein (%) | 78.1 ± 13.8 | 69.5 ± 17.6 | ns |
| S protein (%) | 62.7 ± 15.9 | 66.7 ± 10.7 | ns |
| D-dimer (μg/L) | 2255 ± 1731.9 | 2988.3 ± 2025.8 | ns |
RBC, Red blood cell; Hb, Hemoglobin concentration; HbF, hemoglobin F; HbS, hemoglobin S; Ht, hematocrit; ns, non significant. Bold p values mean Statistically significant.