RADIOMETER ABL90 FLEX - Performance Test Results - Cca; Reference Method; Bias Prim.ref; Performance Test Results - Cglu

ABL90 FLEX reference manual 7. Performance characteristics
7-11
Performance test results – cCa
2+
The calcium transfer standards were used. These are traceable to NIST SRM915 and
have an ionic strength of 160.0 mmol per kg of water and pH 7.40 at 37 °C, using 1
mmol/L (37 °C) HEPES buffer.
The standards were produced as indicated in [4].
cCa
2+
(mmol/L) Bias
Prim.ref
N
0.4903 0.063 45
1.2608 0.022 45
2.5111 -0.02 45
Bias
ABL90 FLEX - Prim.ref
= Bias
ABL90 FLEX - ABL735
+ Bias
ABL735 – Prim.ref
cCa
2+
(mmol/L)
Bias
Sec.ref
S
0
S
X
CV
X
% TE
A
TE
A
(%)
0.5 -0.031 0.002 0.015 3.0 0.060 12.0
0.75 -0.011 0.002 0.014 1.9 0.038 5.1
1.25 0.013 0.003 0.017 1.4 0.046 3.7
1.75 0.044 0.005 0.024 1.4 0.091 5.2
2.50 0.063 0.010 0.037 1.5 0.136 5.4
Performance test results – cGlu
Spectrophotometry, using the hexokinase (HK) method recommended by NCCLS/CLSI
[Ref. 5], measured on serum.
Blood, pO2>90 mmHg
cGlu
(mmol/L)
Bias
Prim.ref
S
0
S
X
CV
X
% TE
A
TE
A
(%)
2.0 -0.09 0.02 0.09 4.5 0.27 13.3
6.0 -0.07 0.06 0.16 2.7 0.38 6.4
10.0 0.23 0.09 0.24 2.4 0.70 7.0
25.0 -0.87 0.18 0.83 3.3 2.5 10.0
40 -1.58 0.52 2.33 5.8 6.2 15.4
Reference
method
Bias
Prim.ref
Bias
Sec.ref
and
Repeatability –
blood samples
Reference
method
Bias
Prim.ref
and
Repeatability –
blood samples