Owner manual

D.1
Appendix D
Performance
Characteristics
ACCURACY
Accuracy was determined by analyzing human whole blood samples on both
the IRMA TruPoint blood analysis system and a reference method. Least
squares analysis was used to determine the line-of-best-fit.
pH
Number of samples: 94
Range evaluated: 6.860 - 7.710
Slope: 0.936
Intercept: 0.456
Correlation Coefficient (r): 0.997
Sy.x: 0.017
pCO
2
Number of samples: 94
Range evaluated (mmHg): 4.4 - 149.4
Slope: 0.972
Intercept: 0.308
Correlation Coefficient (r): 0.999
Sy.x: 1.88
pO
2
Number of samples: 94
Range evaluated (mmHg): 17.9 - 356.5
Slope: 0.996
Intercept: 1.494
Correlation Coefficient (r): 0.999
Sy.x: 2.91
Sodium (Na
+
)
Number of samples: 137
Range evaluated (mM): 86.0 - 168.0
Slope: 1.110
Intercept: -22.71
Correlation Coefficient (r): 0.998
Sy.x: 2.14