Bland-altman analysis of minimally-invasive CO monitors
PRE-BYPASS: | CCO | Cheetah | ClearSight | FloTrac | CNAP | LiDCO |
---|---|---|---|---|---|---|
Number of values | 192 | 178 | 183 | 204 | 43 | 42 |
Percentage errors | 54.5% | 53.3% | 68.1% | 90.8% | 110.2% | 110.6% |
Bias | -0.75 | -0.51 | -0.73 | -1.2 | -2.0 | -2.0 |
SD of bias | 1.1 | 1.1 | 1.4 | 1.9 | 2.3 | 2.3 |
95% Limits of Agreement | ||||||
From | -3.0 | -2.7 | -3.5 | -5.0 | -6.7 | -6.6 |
To | 1.5 | 1.7 | 2.1 | 2.5 | 2.5 | 2.6 |
POST-BYPASS: | CCO | Cheetah | Cheetah | FloTrac | CNAP | LiDCO |
Number of values | 176 | 155 | 169 | 178 | 23 | 36 |
Percentage errors | 46.8% | 53.3% | 60.2% | 68.5% | 102.7% | 140.7% |
Bias | -0.71 | 0.60 | -0.39 | -0.87 | -1.57 | -1.79 |
SD of bias | 1.10 | 1.24 | 1.41 | 1.6 | 2.4 | 3.3 |
95% Limits of Agreement | ||||||
From | -2.8 | -1.8 | -3.1 | -4.0 | -6.3 | -8.2 |
To | 1.4 | 3.0 | 2.3 | 2.2 | 3.1 | 4.6 |