Table 2.
Summary of multivariable linear regression model fitting. The 95% confidence intervals for each variable included are shown in brackets.
| ScsO2 (%) Model 1 | ScsO2 (%) Model 2 | |||
|---|---|---|---|---|
| Model Constant | −31.198 | (−66.683 to 4.287) | −452.835 | (−878.783 to −26.886) |
| Variable 1 Coefficient | −1.062 | (0.577 to 1.548) | 4.358 | (0.011 to 8.704) |
| Variable 1 | SpaO2 (%) | SaO2 (%) | ||
| Variable 2 Coefficient | 0.854 | (0.381 to 1.327) | ||
| Variable 2 | SsvcO2 (%) | |||
| Excluded Variables | SivcO2 (%) SsvcO2 (%) SaO2 (%) |
SivcO2 (%) | ||
| Adjusted R2 | 0.547 | 0.56 | ||
| F-statistic | 21.551 | 11.839 | ||
| Significance | <0.001 | <0.001 | ||
ScsO2 = coronary sinus oxygen saturations. SpaO2 = pulmonary artery oxygen saturations. SaO2 = systemic arterial oxygen saturations. SsvcO2 = superior vena cava oxygen saturations. SivcO2 = inferior vena cava oxygen saturations.