HemoCue WBC DIFF - Repeatability

73
Repeatability
A study has been performed according to CLSI Document H26-A2 using fresh blood samples to determine repeatability at low, normal
and high concentrations. The study was performed on venous whole blood samples tested with 31 replicates per sample using 1 analyzer
and 1 batch of cuvettes.
N
WBC
Level
Total WBC Neutrophils Lymfocytes Monocytes Eosinophils
Mean
(x10
9/
L)
SD
(x10
9
/L)
CV
(%)
Mean
(x10
9/
L)
SD
(x10
9
/L)
CV
(%)
Mean
(x10
9
/L)
SD
(x10
9
/L)
CV
(%)
Mean
(x10
9
/L)
SD
(x10
9
/L)
Mean
(x10
9
/L)
SD
(x10
9
/L)
31 Low 2.8 0.14 5.0 1.5 0.11 7.3 1.0 0.08 7.8 0.2 0.03 0.1 0.02
31 Normal 6.1 0.17 2.8 3.4 0.13 3.7 2.2 0.10 4.6 0.3 0.07 0.1 0.03
31 High 18.1 0.57 3.1 14.4 0.61 4.3 2.8 0.26 9.5 0.8 0.14 0.1 0.05