OPTi CCA-TS2, Руководство оператора, Страница: 206 / 299

Operator’s Manual – OPTI CCA-TS2 PCO2-B-3
ANALYTES P CO
2
(Dry Sensor)
Reproducibility
Controls
Within run precision (S
wr
) and Total Precision (S
T
), were determined from 2 runs per day with 2 replicates
per run over a period of 20 days following the CLSI guideline EP5-A2. Typical results for 3 different
control levels are shown below:
Dry PCO
2
(mmHg) OPTI Check Level 1 OPTI Check Level 2 OPTI Check Level 3
Days Run 20 20 20
Total Average 72.6 43.1 22.5
Within Run St. Dev. (S
wr
) 0.8 0.3 0.3
Within Run % CV 1.1% 0.7% 1.4%
Total Precision St. Dev. (S
T
) 1.2 0.6 0.4
Total % CV 1.6% 1.3% 2.0%
Whole Blood
Within-run precision in whole blood samples was evaluated at 3 different concentrations on the OPTI
CCA-TS2. The table below shows the Averages, Standard Deviations and % CV calculated from 10
samples for each level.
Dry PCO
2
(mmHg) Whole Blood
Level 1 Level 2 Level 3
Average 19.6 44.4 92.8
St. Dev 0.357 0.316 1.088
%CV 1.82% 0.71% 1.17%
n 10 10 10