Rapidlab 1200 Operator’s Guide: System Specifications E-17
02087462 Rev.V
Method Comparison with Human Whole Blood Samples
For testing syringe and capillary modes, blood was collected in heparinized
vacuum tubes. It was tonometered at 37°C and/or adjusted chemically. Several
levels of tHb were prepared by separating the red cells from the plasma and
recombining appropriately. Specimens were assayed on Rapidlab 1240 and
Rapidlab 865 systems.
5Micro-
capillary
12 0.66 159.9 149.8 106.7 0.4
6Micro-
capillary
12 1.72 199.9 199.5 100.2 0.9
7Micro-
capillary
12 2.09 265 249.7 106.1 0.8
8Micro-
capillary
12 2.71 371 377.6 98.2 0.7
9Micro-
capillary
12 6.27 632.5 649.3 97.4 1
1Micro-
syringe
24 0.17 30.4 28.3 107.2 0.6
2Micro-
syringe
24 0.33 54 50.1 107.8 0.6
3Micro-
syringe
24 0.48 90.2 85.9 105 0.5
4Micro-
syringe
24 0.85 104.6 107.4 97.4 0.8
5Micro-
syringe
24 5.95 155.4 150.3 103.4 3.8
6Micro-
syringe
24 3.7 201.9 198.2 101.9 1.8
7Micro-
syringe
24 3.47 261.6 250.5 104.4 1.3
8Micro-
syringe
24 6.07 374.5 375.1 99.8 1.6
9Micro-
syringe
24 7.59 642.1 651.3 98.6 1.2
* WRSD = within-run standard deviation
Table E-13 Rapidlab 1240 Recovery and Precision Testing—pO
2
Level Mode n WRSD
*
Observed Expected Recovery WRCV
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