Table 2.
Mean bias and limits of agreements (95% confidence interval)
| Bias % (95%CI) | Percentage error % (95%CI) | |
|---|---|---|
| All measurements (58 patients/401 measurements), without correction | ||
| G3 − iCO | −2.6 (−4.1 to −1.2*,†) | 29.2 (25.2–34.2) |
| G2 − iCO | −12.4 (−14.0 to −10.8) | 32.5 (26.3–36.7) |
| CCO − iCO | 8.2 (7.0–9.5)* | 25.4 (21.3–29.5) |
| All measurements (58 patients/401 measurements), with correction [23, 24] | ||
| G3 − iCO | 0.2 (−3.7 to 4.2)*,† | 30.4 (23.6–37.2) |
| G2 − iCO | −10.3 (−15.4 to −5.3) | 28.6 (20–37.2) |
| CCO − iCO | 9.5 (5.8–13.1)* | 28.0 (21.8–34.2) |
| First measurement only (58 patients/58 measurements) | ||
| G3 − iCO | −2.6 (−6.4 to −1.1)*,† | 29.2 (22.7–35.7) |
| G2 − iCO | −12.4 (−16.6 to −8.2) | 32.8 (27.5–38.1) |
| CCO − iCO | 8.2 (5.0–11.5)* | 25.6 (19.9–31.3) |
iCO cardiac output measured by bolus thermodilution; CO G2 cardiac output measured by second-generation FloTrac; CO G3 cardiac output measured by third-generation FloTrac; CCO cardiac output measured by semi-continuous thermodilution
* p < 0.05 versus G2, † p < 0.05 versus CCO