ITC IRMA TruPoint Blood Analysis System User Manual
Page 156
D.4
PRECISION
Precision was performed on commercially available liquid control solutions.
Typical precision was observed as follows.
pH Level
1 Level
2 Level
3
Day 1
Number of samples:
15
15
15
Mean:
7.228
7.416
7.631
SD:
0.007
0.005
0.011
CV (%):
0.1
0.1
0.2
Day 2
Number of samples:
15
15
15
Mean:
7.228
7.414
7.625
SD:
0.006
0.005
0.008
CV (%):
0.1
0.1
0.1
pCO
2
Level
1 Level
2 Level
3
Day 1
Number of samples:
15
15
15
Mean (mmHg):
70.7
38.5
17.7
SD:
2.2
1.7
0.7
CV (%):
3.1
4.3
3.7
Day 2
Number of samples:
15
15
15
Mean (mmHg):
71.4
39.1
18.1
SD:
3.4
0.7
0.5
CV (%):
4.7
1.7
2.8
pO
2
Level
1 Level
2 Level
3
Day 1
Number of samples:
15
15
15
Mean (mmHg):
71.9
99.4
163.8
SD:
2.9
1.9
2.3
CV (%):
4.0
1.9
1.4
Day 2
Number of samples:
15
15
15
Mean (mmHg):
70.9
101.1
165.9
SD:
2.4
1.6
2.1
CV (%):
3.3
1.6
1.3