RADIOMETER ABL90 FLEX - Performance Test Results - Fhhb

ABL90 FLEX reference manual 7. Performance characteristics
7-17
Performance test results – FHHb
0%: whole blood is tonometered with a gas mixture containing 94.4% N
2
and 5.6% CO
2
+ dithionite.
Setup:
Adult samples. HbF correction is not activated.
FHHb
(%)
ctHb
(g/dL)
Bias
Sec.ref
S
0
S
x
CV
X
% TE
A
TE
A
(%)
0.0 15 0.07 0.10 0.28 - 0.62 -
10.0 15 0.08 0.18 0.35 3.5 0.77 7.7
25.0 15 0.05 0.30 0.48 1.9 0.99 4.0
35.0 15 0.08 0.27 0.50 1.4 1.06 3.0
50.0 15 0.11 0.26 0.57 1.1 1.23 2.5
100.0 15 -0.14 0.16 0.40 0.4 0.92 0.9
0.0 7 -0.45 0.13 0.36 - 1.16 -
0.0 25 0.53 0.09 0.26 - 1.04 -
Performance test results – FHbF
The reference method is based on Cation Exchange HPLC. The method is described in
[Ref. 15]. The method is performed by the Hæmatology Laboratory at Herlev Hospital,
Denmark.
Setup:
Mixed adult and Fetal samples. HbF correction enabled for all levels.
FHbF
(%)
ctHb
(g/dL)
Bias
Prim.ref
*)
S
0
S
X
CV
X
% TE
A
TE
A
(%)
0 15 1.6 1.8 3.0 - 7.48 -
5 15 3.2 1.8 3.3 66 9.67 193
10 15 0.9 1.7 3.2 32 7.17 71.7
20 15 1.1 1.8 3.6 18 8.16 40.8
30 15 -1.7 1.8 4.2 14 9.93 33.1
50 15 -3.1 1.6 3.9 7.8 10.74 21.5
80 15 -4.2 1.8 4.1 5.1 12.24 15.3
*) ABL735 corrected to HPLC through:
FHbF(ABL735),corr = FHbF (ABL735),meas – 0.9* ctHb + 11.7
Reference
method
Bias
Sec.ref
and
Repeatability –
blood samples
Reference
method
Bias
Prim.ref
and
Repeatability –
blood samples