ABX Pentra 80 RAB108EA, User Manual

Page: 274 / 306

Pentra 80
8–10
Pentra 80 - User Manual - RAB108EA
Tab. 8–8: Linearity
3.4. Carryover
Carry-over effects were evaluated by assaying a sample with high cell concentrations three
consecutive times (i1-3), followed immediately by testing a diluted sample consecutively 3
times (j1-3).
Carry-over % is then:
The overall results gave the following :
Tab. 8–9: Cary over table
This is the method as described in Guidelines for the Evaluation of blood cell analyzers includ-
ing those used for differential leukocyte and reticulocyte counting and cell marker applications .
ISLH, 14 January, 1994.
▼ Carry-over Claims
Tab. 8–10: Carry over claims
Parameters
Linearity
Range
Linearity
Limits
Visible range
Difference
(Which ever is
greater)
WBC (10
3
/mm
3
)
0.45 - 124 0 - 120 120 - 150 ± 0.3 ± 7%
RBC (10
6
/mm
3
)
0.22 - 8.9 0 - 8.0 8.0 - 18.0 ± 0.07 ± 2 %
HGB (g/dl) 1.3 - 26 0 - 24 24 - 30 ± 0.3 ± 2%
HCT (%) 1.9 - 72 0 - 67 67 - 80 ± 2.0 ± 3%
PLT (10
3
/mm
3
)
for HGB>2 g/dL, RBC>0,5x10
6
/mm
3
7 - 2087 0 - 1900 1900 - 2800 ± 10 ± 10%
PLT (10
3
/mm
3
)
for HGB<2 g/dL, RBC<0,5x10
6
/mm
3
5 - 2792 0 - 2800 2800 - 3200 ± 10 ± 10%
Carryover =
j1 - j3
x100
i3 - j3
WBC RBC HGB PLT
Mean low levels 0,78 1,047 4,09 28,67
Mean high levels 43,64 8,56 25,94 739,00
Carry over % -0,070% -0,268% 0,046% 0,286%
WBC RBC HGB PLT
Claims < 2,0% < 2,0% < 2,0% < 2,0%