Table 2 Pearson Correlation Coefficient and Bland-Altman analysis
From: Assessment of a continuous blood gas monitoring system in animals during circulatory stress
All | B1-3 | D1-2 | AVP1-3 | H1 | H2 | H3 | H4 | VR | |
|---|---|---|---|---|---|---|---|---|---|
Ph | |||||||||
r 2 * | 0.9604 | 0.9216 | 0.9025 | 0.8649 | 0.9776 | 0.8441 | 0.9781 | 0.9409 | 0.9604 |
Bias | -0.001 | -0.01 | 0.002 | -0.01 | 0.004 | 0.01 | -0.001 | -0.008 | -0.003 |
Precision | 0.01 | 0.009 | 0.023 | 0.02 | 0.02 | 0.01 | 0.008 | 0.009 | 0.01 |
LoA | -0.03 to 0.03 | 0.02 to 0.01 | -0.04 to 0.04 | -0.04 to 0.03 | -0.04 to 0.03 | -0.01 to 0.04 | -0.01 to 0.01 | -0.02 to 0.01 | -0.02 to 0.01 |
BE | |||||||||
r 2 * | 0.9801 | 0.9216 | 0.9744 | 0.9929 | 0.9925 | 0.9801 | 0.9801 | 0.9444 | 0.9801 |
Bias | -0.04 | 0.08 | 0.05 | -0.01 | -0.01 | -0.03 | -0.02 | -0.07 | 0.02 |
Precision | 0.28 | 0.33 | 0.31 | 0.10 | 0.12 | 0.26 | 0.32 | 0.29 | 0.3 |
LoA | -0.61 to 0.58 | -0.57 to 0.74 | -0.6 to 0.6 | -0.24 to 0.27 | -0.35 to 0.33 | -0.30 to 0.33 | -0.36 to 0.51 | -0.45 to 0.40 | -0.5 to 0.5 |
pO 2 | |||||||||
r 2 * | 0.9604 | 0.9409 | 0.9025 | 0.9216 | 0.9409 | 0.8724 | 0.8134 | 0.8649 | 0.9604 |
Bias | -0.06 | -0.09 | -0.09 | -0.11 | -0.02 | -0.10 | -0.04 | -0.10 | 0.01 |
Precision | 0.22 | 0.13 | 0.16 | 0.16 | 0.24 | 0.31 | 0.23 | 0.27 | 0.11 |
LoA | -0.28 to 0.36 | -0.30 to 0.37 | -0.26 to 0.29 | -0.42 to 0.58 | -0.4 to 0.30 | -0.23 to 0.26 | -0.45 to 0.42 | -0.18 to 0.27 | -0.42 to 0.49 |
pCO 2 | |||||||||
r 2 * | 0.9560 | 0.9246 | 0.7241 | 0.9036 | 0.9909 | 0.9409 | 0.9281 | 0.9744 | 0.9801 |
Bias | 0.02 | -0.05 | -0.12 | 0.04 | -0.01 | 0.06 | 0.02 | 0.08 | 0.07 |
Precision | 0.15 | 0.27 | 0.54 | 0.09 | 0.09 | 0.06 | 0.15 | 0.18 | 0.19 |
LoA | -0.24 to 0.33 | -0.21 to 0.15 | -0.61to 0.49 | -0.13 to 0.22 | -0.04 to 0.14 | -0.15 to 0.18 | -0.25 to 0.30 | -0.12 to 0.20 | -0.14 to 0.22 |
SaO 2 | |||||||||
r 2 * | 0.9564 | 0.9725 | 0.9744 | 0.9241 | 0.9755 | 0.9925 | 0.9056 | 0.9929 | 0.9464 |
Bias | 0.04 | -0.02 | -0.01 | -0.88 | -0.02 | 0.01 | 0.04 | 0.01 | 0.04 |
Precision | 0.33 | 0.34 | 0.33 | 0.41 | 0.20 | 0.30 | 0.34 | 0.26 | 0.2 |
LoA | -0.6 to 0.7 | -0,2 to 0.5 | -0.1 to 0.3 | -0.3 to 0.6 | -0.08 to 0.3 | -0.07 to 0.2 | -0.6 to 0.6 | -0.08 to 0.23 | -0.3 to 0.3 |
HCO 3 | |||||||||
r 2 * | 0.9201 | 0.8724 | 0.8976 | 0.9025 | 0.9241 | 0.9604 | 0.9329 | 0.9604 | 0.9801 |
Bias | 0.05 | 0.09 | 0.08 | 0.06 | 0.07 | -0.18 | 0.07 | 0.18 | 0.11 |
Precision | 0.62 | 0.69 | 0.51 | 0.70 | 0.62 | 0.64 | 0.59 | 0.42 | 0.45 |
LoA | -1.1 to 1.2 | -1.2 to 1.4 | -1.1 to 1.0 | -1.2 to 0.7 | -1.2 to 1.5 | -1.4 to 1.0 | -1.3 to 1.5 | -0.6 to 1.0 | -0.7 to 1.1 |
Hb | |||||||||
r 2 * | 0.9601 | 0.9849 | 0.9801 | 0.9836 | 0.9804 | 0.9649 | 0.9216 | 0.9649 | 0.9801 |
Bias | 0.02 | 0.02 | 0.03 | 0.03 | 0.01 | 0.02 | 0.05 | 0.01 | 0.01 |
Precision | 0.23 | 0.30 | 0.22 | 0.30 | 0.13 | 0.27 | 0.42 | 0.18 | 0.2 |
LoA | -0.2 to 0.2 | -0.2 to 0.3 | -0.1 to 0.2 | -0.5 to 0.6 | -0.1 to 0.1 | -0.1 to 0.1 | -0.6 to 0.6 | -0.2 to 0.2 | -0.1 to 0.1 |
K+ | |||||||||
r 2 * | 0.9364 | 0.9941 | 0.9869 | 0.9569 | 0.9329 | 0.8836 | 0.7281 | 0.7056 | 0.8464 |
Bias | 0.02 | 0.01 | -0.02 | 0.03 | -0.04 | -0.05 | 0.06 | 0.10 | 0.05 |
Precision | 0.27 | 0.12 | 0.34 | 0.29 | 0.32 | 0.33 | 0.49 | 0.59 | 0.34 |
LoA | -0.3 to 0.3 | -0.2 to 0.2 | 0.4 to 0.4 | -0.3 to 0.3 | -0.3 to 0.4 | -0.5 to 0.5 | -0.5 to 0.5 | -0.8 to 0.8 | -0.4 to 0.4 |