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Table 3 Measured and estimated data for all the subjects across the three tests

From: Proof of concept non-invasive estimation of peripheral venous oxygen saturation

Test Subject RVen SpvO2% SvO2% SvO2 − SpvO2% RArt SpaO2% SaO2% SaO2 − SpaO2%
1 1 0.64 84.97 82 −2.97 0.56 96.02 97 0.98
2 0.55 88.6 91 2.4 0.52 96.91 98 1.09
3 0.63 85.45 82 −3.45 0.58 95.62 98 2.38
4 0.87 75.5 76 0.5 0.55 96.16 96 −0.16
5 0.43 93.32 94 0.68 0.48 98 97 −1
6 0.68 83.2 82 −1.2 0.47 98.16 97 −1.16
7 0.71 82.08 83 0.92 0.63 94.34 97 2.66
0.62 85.83 85 −0.83 0.58
8 0.67 83.5 88 4.5 0.57 95.74 97 1.26
0.47 91.71 92 0.29 0.53
2 1 0.7 82.35 79 −3.35 0.53 96.87 99 2.13
3 0.52 89.73 91 1.27 0.47 98.2 97 −1.2
4 0.97 71.53 74 2.47 0.52 97.02 96 −1.02
5 0.46 92.2 93 0.8 0.48 97.91 97 −0.91
3 5 1.07 67.39 64 −3.39 0.69
6 1.23 61.05 59 −2.05 0.7
1.7 42.08 42 −0.08 0.68
7 0.79 78.73 78 −0.73 0.52
1.24 60.75 66 5.25 0.76
8 0.99 70.5 77 6.5 0.55
1.17 63.46 59 −4.46 0.62
Median 0.7 82.35 82 0.29 0.55 96.77 97 0.65
Interquartile range 0.62 to 0.99 70.50 to 85.83 74.00 to 88.00 −2.05 to 1.27 0.52 to 0.62 95.81 to 97.69 97.00 to 97.00 −0.98 to 1.51
  1. Some subjects do not have measured values as explained in “Experimental protocal”. SpaO2 estimated using 110 − 25*RArt and SvO2 estimated using 111 − 40.5*RVen