Operator’s Manual – OPTI CCA-TS Cl-3
Correlation to Other Methods
3
OPTICCAvsotherpH/BloodGasInstrumentsonwholebloodinatypicalsetting
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
ComparativeMethod* Slope Intercept Coefcient Sy.x Range n
Analyzer A (whole blood) 0.9965 0.95 0.9246 1.96 92 - 117 173
* For more information on specic 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. Tsien R, New Calcium Indicators and Buffers with High Selectivity Against Magnesium and Protons,
Biochemistry 19, p.2396-2404, 1980
.
3. OPTI Medical. Model equation for regression statistics is: [results of OPTI Analyzer] = slope(m)
[comparative method results] + intercept(b).