Syringe Method Comparison Study Results
vs. Stat Prole pHOx Ultra
Test
Parameter
Analyzer
total #
specimens
# altered
specimens
specimen
range
Slope
Intercept
r
pH #1 172 40
6.523 - 7.862
0.9976 0.0099 0.9985
#2 170 38
6.519 - 7.875
0.9977 0.0106 0.9990
#3 168 41
6.520 - 7.953
1.0018 -0.0225 0.9989
PCO
2
#1 179 34 3.4 - 200.0 0.9854 0.9344 0.9977
#2 181 29 3.1 - 192.6 1.0091 0.1547 0.9920
#3 176 32 3.3 - 199.10 1.0019 1.1679 0.9980
PO
2
#1 177 43 26.9 - 586.3 1.0046 -1.2710 0.9986
#2 167 43 29.5 - 593.2 0.9897 1.4508 0.9988
#3 180 42 31.3 - 587.6 1.0035 0.5961 0.9990
Hct #1 174 22 12 - 70 1.0445 -1.9271 0.9889
#2 170 24 12 - 68 1.0007 -0.6236 0.9871
#3 164 19 13 - 70 1.0207 -0.9936 0.9895
Na #1 180 30 85.5 - 195.7 1.0189 -2.2841 0.9955
#2 186 29 85.1 - 196.7 1.0109 -2.0438 0.9960
#3 181 31 85.0 - 198.2 1.0278 -3.5873 0.9961
K #1 179 26 1.11 - 19.75 1.0163 -0.0371 0.9996
#2 182 25 1.11 - 19.54 1.0138 -0.0619 0.9995
#3 183 25 1.12 - 19.79 1.0272 -0.0769 0.9995
iCa #1 181 25 0.25 - 2.48 0.9880 0.0457 0.9974
#2 180 25 0.25 - 2.42 0.9752 0.0432 0.9958
#3 179 25 0.25 - 2.52 1.0059 0.0345 0.9962
Cl #1 186 39 52.8 - 189.3 1.0003 1.0158 0.9955
#2 183 40 54.1 - 190.6 0.9952 0.6980 0.9787
#3 180 37 51.0 - 179.5 0.9569 4.4537 0.9944
Glu #1 181 22 35 - 432 0.9987 1.1978 0.9960
#2 184 22 39 - 466 1.0005 0.6501 0.9940
#3 185 24 39 - 474 1.0007 -2.6844 0.9892
Lac #1 182 25 0.4 - 17.8 0.9841 0.0937 0.9974
#2 182 26 0.5 - 20.0 1.0463 -0.0577 0.9959
#3 182 26 0.4 - 18.7 1.0101 -0.0342 0.9946