Table 1.
Results of complete blood count performed in 40 feline whole blood units at collection (D0) and after storage for 35 days (D35)
Parameter | Time | Mean | 95% CI | SD | Median | 95% CI | Minimum | Maximum | P value for paired differences |
---|---|---|---|---|---|---|---|---|---|
RBCs (× 103/µl) | D0 | 7008.2 | 6544.0–7472.4 | 1451.5 | 6585.0 | 6196.7–7465.9 | 4580.0 | 10700.0 | 0.3971 |
D35 | 6777.0 | 6298.5–7255.4 | 1496.1 | 6560.0 | 6234.0–6712.8 | 4270.0 | 12000.0 | ||
Hb (g/dl) | D0 | 9.7 | 9.0–10.3 | 2.0 | 9.5 | 8.7–10.1 | 6.2 | 14.9 | 0.1288 |
D35 | 9.3 | 8.6–10.0 | 2.1 | 8.8 | 8.6–9.4 | 6.0 | 15.3 | ||
Hct (%) | D0 | 27.8 | 25.9–29.6 | 5.6 | 27.1 | 25.0–29.6 | 18.7 | 44.6 | 0.6502 |
D35 | 26.8 | 25.0–28.5 | 5.4 | 25.8 | 25.1–27.3 | 18.1 | 43.5 | ||
MCV (fl) | D0 | 40.0 | 38.8–41.1 | 3.5 | 39.4 | 38.2–40.2 | 34.7 | 51.8 | 0.9625 |
D35 | 39.7 | 38.8–40.6 | 2.8 | 39.2 | 38.7–40.6 | 33.5 | 45.5 | ||
MCH (pg) | D0 | 13.9 | 13.5–14.4 | 1.3 | 13.9 | 13.6–14.2 | 10.9 | 16.6 | 0.1650 |
D35 | 13.7 | 13.3–14.2 | 1.3 | 13.5 | 13.2–14.2 | 11.2 | 16.9 | ||
MCHC (g/dl) | D0 | 34.9 | 34.3–35.6 | 2.1 | 35.3 | 33.5–36.2 | 30.5 | 38.8 | 0.5106 |
D35 | 34.6 | 33.9–35.4 | 2.4 | 34.7 | 34.0–35.7 | 29.2 | 40.0 | ||
RDW (%) | D0 | 17.3 | 16.8–17.9 | 1.6 | 17.4 | 16.7–18.0 | 13.3 | 20.8 | 0.0596 |
D35 | 17.9 | 17.3–18.5 | 1.9 | 17.6 | 17.1–18.1 | 15.2 | 23.9 | ||
WBCs (/µl) | D0 | 6716.5 | 5799.7–7633.2 | 2866.4 | 6435.0 | 5678.2–7422.0 | 1560.0 | 13400.0 | <0.0001 |
D35 | 1001.4 | 727.4–1275.5 | 856.8 | 762.0 | 559.3–1012.2 | 123.0 | 4030.0 | ||
PLTs (× 10³/µl) | D0 | 366.7 | 307.6–425.8 | 184.8 | 315.5 | 271.0–404.8 | 84.0 | 1087.5 | <0.0001 |
D35 | 204.9 | 163.1–246.6 | 130.5 | 157.0 | 123.5–228.4 | 58.0 | 527.0 |
Statistically significant P values (<0.05) are in bold
CI = confidence interval; RBCs = red blood cells; Hb = haemoglobin; Hct = haematocrit; MCV = mean cell volume; MCH = mean cell haemoglobin; MCHC = mean cell haemoglobin concentration; RDW = red blood cell distribution width; WBCs = white blood cells; PLTs = platelets