RADIOMETER ABL90 FLEX - Performance Test Results - Po; Reference Method; Performance Test Results - Ck; Bias

ABL90 FLEX reference manual 7. Performance characteristics
7-9
Performance test results – pO
2
Tonometry [Ref. 3].
The gases used for tonometry are traceable to NIST-certified Standard Reference
Materials.
pO
2
(mmHg)
Bias
Prim.ref
S
0
S
X
CV
X
% TE
A
TE
A
(%)
30.0 0.0
0.21 0.60
2.0 1.18 3.9
75.0 0.7
0.31 0.84
1.1 2.35 3.1
125 0.7
0.37 1.19
1.0 3.03 2.4
250 -2.0
1.54 2.93
1.2 7.74 3.1
500 -6.1
2.47 5.95
1.2 17.76 3.6
Performance test results – cK
+
NIST-certified Standard Reference Material SRM 909b (human serum).
cK
+
(mmol/L) Bias
Prim.ref
N
5.973 0.065 45
3.983 0.067 45
1.987 0.108 45
N = number of measurements on several analyzers used for the test.
Bias
ABL90-Prim.ref
= Bias
ABL90-ABL735
+ Bias
ABL735-Prim.ref
cK
+
(mmol/L)
Bias
Sec.ref
S
0
S
X
CV
X
% TE
A
TE
A
(%)
2.0 0.09 0.02 0.08 4.0 0.25 12.3
4.0 0.09 0.01 0.08 2.0 0.25 6.2
6.0 0.12 0.01 0.11 1.8 0.34 5.6
8.0 0.05 0.01 0.12 1.5 0.29 3.6
10.0 -0.01 0.02 0.12 1.2 0.25 2.5
Reference
method
Bias
Prim.ref
and
Repeatability –
blood samples
Reference
method
Bias
Prim.ref
Bias
Sec.ref
and
Repeatability –
blood samples