Syringe Method Comparison Study Results
Individual Analyzer Performance Data
Capillary vs. Syringe Comparison
Parameter Analyzer
Total #
specimens
specimen
range
Slope Intercept r
pH #1 100 6.787 - 7.683 1.0094 -0.0721 0.9988
pH units #2 100 6.820 - 7.669 1.0157 -0.1176 0.9986
#3 100 6.806 - 7.668 1.0097 -0.0714 0.9989
PCO
2
#1 100 17.7 - 111.0 1.0026 -0.4347 0.9989
mmHg #2 100 19.6 - 103.7 0.9939 -0.1404 0.9981
#3 100 18.0 - 123.2 0.9897 -0.1897 0.9991
PO
2
#1 100 25.5 - 435.2 0.9942 2.1791 0.9996
mmHg #2 100 25.1 - 399.1 1.0082 0.3311 0.9994
#3 100 25.6 - 442.7 0.9944 2.2551 0.9994
Hct #1 100 14 - 69 1.0013 0.0485 0.9963
% #2 100 14 - 66 0.9863 0.6676 0.9960
#3 100 13 - 67 1.0161 -0.4917 0.9950
Na #1 100 85.0 - 198.1 0.9995 -0.1711 0.9978
mmol/L #2 100 85.0 - 192.0 1.0016 -0.4681 0.9988
#3 100 85.0 - 194.7 0.9926 0.9061 0.9987
K #1 100 2.70 - 19.37 0.9966 0.0934 0.9996
mmol/L #2 100 2.63 - 19.36 0.9933 0.0872 0.9996
#3 100 2.64 - 19.48 1.0042 0.0375 0.9995
iCa #1 100 0.13 - 2.76 1.0083 -0.0422 0.9873
mmol/L #2 100 0.12 - 2.70 0.9936 -0.0069 0.9855
#3 100 0.13 - 2.52 1.0231 -0.0445 0.9818
Cl #1 100 55.8 - 197.1 0.9897 0.1776 0.9997
mmol/L #2 100 51.0 - 184.1 0.9921 -0.0870 0.9988
#3 100 54.1 - 199.3 0.9905 0.9342 0.9978
Glu #1 100 17 - 488 0.9855 -0.4734 0.9998
mg/dL #2 100 19 - 491 0.9919 -0.5176 0.9998
#3 100 21 - 489 0.9813 0.2346 0.9999
Lac #1 100 1.1 - 18.1 1.0034 0.0120 0.9994
mmol/L #2 100 1.2 - 19.9 1.0030 -0.0057 0.9995
#3 100 1.2 - 19.5 0.9911 -0.0010 0.9994
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