OPTIMedical OPTI CCA-TS - Page 202

PO2-B-4 Operator’s Manual – OPTI CCA-TS
PO
2
(Dry Sensor) ANALYTES
Correlation to Other Methods
4
OPTI CCA-TS vs other PO
2
Instrumentsonwholebloodinatypicalsetting
PO
2
analysis of heparinized whole blood samples was performed at multiple clinical sites. Samples were
analyzed on the OPTI CCA-TS in parallel with laboratory instrumentation operated by hospital personnel
and controlled following the hospital’s established procedures.
ComparativeMethod* Slope Intercept R
2
 Sy.x Range n
OPTI R 1.04 -2.76 0.968 8.72 27 - 288 148
Analyzer A 0.97 3.73 0.992 5.24 27.0 – 423.8 110
* For more information on specic analyzers used, please contact OPTI Medical Technical Support.
OPTI CCA-TS with B-Lac Cassette vs other PO
2
Instruments on whole blood
(in-housetesting)
Whole blood samples from multiple donors were tonometered with different %O
2
gas mixtures to
generate a wide range of PO
2
values. The blood samples were analyzed in parallel on the B-Lac cassette
and other laboratory instruments.
ComparativeMethod* Slope Intercept R
2
 Sy.x Range n
OPTI CCA (Std. PO
2
sensor) 0.94 4.84 0.998 9.77 19.9 - 642.8 161
Analyzer B 0.95 6.32 0.992 18.25 17.0 - 635.7 161
* For more information on specic 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. Kautsky H, Quenching of Luminescence by Oxygen, Transactions Faraday Society 35, p.216, 1939
3. CDI, 3M Healthcare System 200 Extracorporeal Blood Gas Monitor. See, for example, Lubbers DW,
Gehrich J, Opitz N, Fiber Optics Coupled Flourescence Sensors for Continuous Monitoring of Blood
Gases in the Extracorporeal Circuit, Life Supports Systems 4, p.94, 1986.
4. OPTI Medical. Model equation for regression statistics is: [results of OPTI Analyzer] = slope(m)
[comparative method results] + intercept(b).