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%
Содержание Pentra 80 RAB108EA
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Страница 297: ...Index Glossary Pentra 80 User Manual RAB108EA 9 1 Contents 1 Glossary 9 2 2 Index 9 4 Section9 Glossary...
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