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SPECIFICATIONS/CHARACTERISTICS
Paired Precision of the CBC/Differential Parameters
The results of paired difference analysis for 226 paired clinical blood
specimens are given in Table 13.
Table 13 Paired Sample Precision, CBC
Population
Parameter
WBC
Units
Mean
Difference
Low
Mean
9
0.80
8.91
82.30
-0.03
0.43
12
x 10 cells/L
High
SD of Difference
RBC
x 10 cells/L
1.95
4.32
6.67
0.00
0.03
Hgb
g/dL
6.45
12.67
18.05
-0.02
0.09
Hct
Ratio
18.22
37.26
53.21
0.01
0.35
MCV
fL
65.77
86.65
111.82
0.05
0.53
MCH
pg
21.43
29.55
48.78
-0.03
0.29
MCHC
g/dL
32.07
34.07
45.41
-0.05
0.38
RDW
%
11.00
13.99
25.70
0.01
0.28
9
Plt
x 10 cells/L
0.00
229.55
890.32
-0.44
11.08
MPV
fL
3.96
8.76
12.92
0.01
0.27
SPECIFICATIONS/
CHARACTERISTICS
Table 14 shows paired sample analysis using normal blood for 130 paired
observations.
Table 14 Paired Sample Precision, WBC Differential
Cell Type
Unit
Population
4
Low
46
Mean
High
Mean
Difference
SD of
Difference
Lymphocyte
%
9.80
31.19
78.70
-0.04
0.88
Monocyte
%
4.60
9.30
22.10
-0.13
0.53
Neutrophil
%
12.30
55.31
74.80
0.17
0.86
Eosinophil
%
0.50
3.25
24.50
-0.01
0.31
Basophil
%
0.00
0.95
4.30
0.02
0.26
PN 4237182A (December 1993)