Table 2.
Changes of the CBC Parameters Induced by Storage of Blood at 4 ± 2°C (Refrigerated Temperature)
| <1/2 hr Mean | 6 hr Mean (CV%) | 24 hr Mean (CV%) | 48 hr Mean (CV%) | |
|---|---|---|---|---|
| N = 102 | ||||
| WBC, ×109/l | 7.74 | 8.01 (103.4) | 7.79 (100.6) | 7.16 (92.5) |
| RBC, ×1012/l | 4.47 | 4.59 (102.6) | 4.56 (102.0) | 4.56 (102.0) |
| HGB, g/l | 12.59 | 12.92 (102.6) | 12.88 (102.3) | 13.88 (110.2) |
| Htc, l/l | 37.01 | 37.39 (101.0) | 37.45 (101.1) | 37.46 (101.2) |
| MCV, fl | 83.92 | 82.52 (98.3) | 82.70 (98.5) | 83.17 (99.4) |
| MCH, pg | 28.63 | 28.64 (100.0) | 28.67 (100.1) | 28.86 (100.7) |
| MCHC, g/l | 34.27 | 34.87 (101.7) | 34.87 (101.7) | 34.87 (100.7) |
| RDW % CV | 13.14 | 13.16 (100.1) | 12.99 (98.8) | 13.00 (98.9) |
| PLT, ×109/l | 277 | 270 (90.2) | 240 (86.6)a | 231 (83.3)a |
| MPV | 9.99 | 10.01 (99.1) | 11.02 (110.3)a | 11.27 (112.8)a |
| Neutrophil, ×109/l | 4.03 | 4.30 (106.6) | 4.08 (101.2) | 4.2 (104.6) |
| Lymphocyte, ×109/l | 2.75 | 2.74 (99.6) | 2.70 (98.1) | 2.62 (95.2) |
| Monocyte, ×109/l | 0.61 | 0.65 (106.5) | 0.63 (103.2) | 0.57 (93.4) |
| Eosinophil, ×109/l | 0.32 | 0.33 (103.1) | 0.35 (109.3) | 0.34 (106.2) |
| Basophil, ×109/l | 0.03 | 0.04 (133.3)a | 0.06 (200.0)a | 0.10 (333.3)a |
The data were presented as means of parameter values, changes (% from original value, which is 100%) at different time points and SDs of changes in parenthesis.
CBC, complete blood count; HGB, hemoglobin; MCH, mean cell hemoglobin; MCHC, MCH concentration; MCV, mean cell volume; MPV, mean platelet volume; PLT, platelet count; RBC, red blood cell; RDW‐CV, red cell distribution width‐coefficient of variation; WBC, white blood cell; Htc, hematocrit.
a
Statistically significant at 0.05 level.