Medica EasyStat, Operator'S Manual

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s p e c i f i c a t i o n s
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Day-to-Day precision of duplicates (NCCLS, EP-5) using EasyQC Blood Gas/Electrolyte controls
Level 1
PO2 PCO2
pH Na+ K+ Ca++ Cl-
N 80 80 80 80 80 80 80
Mean 64 73.5 7.171 114.6 1.96 1.35 71.1
SD
2.2 0.82 0.010 0.35 0.020 0.011 0.52
CV
3.4 1.1 0.3 1.0 0.8 0.7
Level 2
PO2 PCO2
pH Na+ K+ Ca++ Cl-
N 80 80 80 80 80 80 80
Mean 103 47.6 7.418 137.4 4.27 0.99 96.0
SD 1.2 0.39 0.003 0.41 0.027 0.005 0.16
CV 1.2 0.8 0.3 0.6 0.5 0.2
Level 3
PO2 PCO2
pH Na+ K+ Ca++ Cl-
N
80 80 80 80 80 80 80
Mean
142 21.5 7.631 163.0 6.15 0.48 124.6
SD
1.1 0.48 0.011 0.95 0.057 0.005 0.29
CV 0.8 2.2 0.6 0.9 1.0 0.2
Day-to-Day precision of duplicates (NCCLS, EP-5) using EasyQC Hematocrit controls
Level 1
Hct
N 80
Mean 32
SD
0.5
CV
1.6
Level 2
Hct
N 80
Mean 51
SD 0.3
CV 0.6
Method comparison
vs. sample N R2 Slope Intercept Range
pH IL 1620 blood/pH buffer 448 0.997 1.02 -0.122 6.500-8.000
PO2 EasyBloodGas blood 412 0.998 1.04 -4.3 5.0-700.0 mmHg
PCO2 EasyBloodGas blood 412 0.995 0.97 0.5 5.0-150.0 mmHg
Na+ EasyElectrolyte blood/serum 1163 0.997 0.993 0.5 80.0-200.0 mmol/L
K+ EasyElectrolyte blood/serum 1108 0.999 1.00 -0.02 1.00-20.00 mol/L
Ca++ EasyLyte Calcium blood/serum 1168 0.997 1.03 0.06 0.25-5.00 mmol/L
Hct Critspin blood 370 0.994 0.984 0.3 10-70%
Cl-
EasyElectrolyte blood 204 0.99 1.006 -0.483 50.0-150.0 mmol/L