Recovery And Precision Of Blood Gases In Human Whole Blood - Siemens Rapidlab 1200 Operator's Manual

E-20
† Total SD = total standard deviation
Table E-17
Parameter
pH
pH
pH
pCO
2
pCO
2
pCO
2
pO
2
pO
2
pO
2
tHb
tHb
tHb
FO Hb
2
FO Hb
2
FO Hb
2
FCOHb
FCOHb
FCOHb
FMetHb
FMetHb
FMetHb
FHHb
FHHb
FHHb
* WRSD = within-run standard deviation
† Total SD = total standard deviation

Recovery and Precision of Blood Gases in Human Whole Blood

To prepare samples for analysis, blood was collected in heparinized vacuum tubes and
tonometered at 37ºC for each of 6 levels for pH and 9 levels for pCO
were performed using these samples on a minimum of 3 Rapidlab 1245 systems.
02087462 Rev.V
Rapidlab 1200 Operator's Guide: System Specifications
Rapidlab 1245 AutomaticQC Precision Results
Level n Mean
1 170 7.15
2 172 7.352
3 168 7.553
1 169 68.8
2 172 39.1
3 167 21.7
1 170 153.2
2 172 102.5
3 168 67.3
1 171 18.0
2 162 14.0
3 170 8.0
1 171 78.3
2 162 92.0
3 170 60.2
1 171 3.2
2 162 3.7
3 170 18.2
1 171 15.9
2 162 1.8
3 170 5.8
1 171 2.6
2 162 2.4
3 170 15.8
* †
WRSD Total SD
0.002 0.002
0.001 0.002
0.002 0.003
1.18 1.38
0.59 0.95
0.53 0.55
0.84 0.87
0.76 1.02
1.40 1.54
0.26 0.27
0.08 0.10
0.08 0.08
2.44 2.52
0.36 0.39
0.31 0.31
2.18 2.27
0.38 0.38
0.23 0.27
0.59 0.60
0.25 0.25
0.44 0.45
0.32 0.37
0.17 0.20
0.11 0.15
2
/pO . Multiple runs
2