OPTIMedical OPTI CCA-TS, Operator'S Manual, Page: 234 / 271

THB/SO2-4 Operator’s Manual – OPTI CCA-TS
tHb/SO
2
ANALYTES
Correlation to Other Methods
4
OPTI CCA vs other pH/Blood Gas Instruments on whole blood in a typical setting
Excess blood aliquots from specimens collected for blood gas analyses were analyzed by both traditional
and non-traditional operators of blood gas equipment in hospital laboratories. The blood was analyzed on
the OPTI CCA after obtaining the requisite results from existing instrumentation used for these analyses
and operated and controlled following their established procedures.
Correlation
Comparative Method* Slope Intercept Coefficient Sy.x Range n
Analyzer A (whole blood) (ctHb) 1.0285 -0.375 0.9778 0.47 6.0 – 16.1 103
( S O
2
%) 0.8678 12.99 0.9738 0.73 73 – 100 103
Analyzer B (whole blood) ( ctHb) 0.9866 0.14 0.9715 0.37 6.9 – 14.8 173
( S O
2
%) 0.7972 18.81 0.9064 1.81 64 – 100 173
Analyzer C (whole blood) (ctHb) 1.077 ± 0.020 -0.284 ± 0.227 0.9650 0.739 5.4 – 17.4 215
( S O
2%
) 1.021 ± 0.016 -2.920 ± 1.522 0.9752 1.470 62 – 100 215
* For more information on specific analyzers used, please contact OPTI Medical Technical Support.
References
1. Tietz, Norbert W., Ed.,
Clinical Guide to Laboratory Tests
, 2nd Ed., (Philadelphia: W.B.Saunders,
Co., 1990) p. 436
.
2. Tietz; Burtis C, et al (Eds.), Textbook of Clinical Chemistry and Molecular Diagnostics , 4
th
Ed.,
(Elsevier Saunders, 2006) pps. 2252-2302.
3. Tietz; Burtis C, et al (Eds.), Textbook of Clinical Chemistry and Molecular Diagnostics , 4
th
Ed.,
(Elsevier Saunders, 2006) p. 1004.
4. OPTI Medical. Model equation for regression statistics is: [results of OPTI Analyzer] = slope(m)
[comparative method results] + intercept(b).
5. NCCLS. Reference and Selected Procedures for the Quantitative Determination of Hemoglobin in
Blood; – Approved Standard 3
rd
Edition ; NCCLS document H15-A3. NCCLS, Wayne, PA, 2000.