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Table 1 Multiple linear regression model for the ratio of venoarterial PCO2 to arteriovenous oxygen content difference (Pv–aCO2/Ca–vO2)

From: Venoarterial PCO2-to-arteriovenous oxygen content difference ratio is a poor surrogate for anaerobic metabolism in hemodilution: an experimental study

Pv–aCO2/Ca–vO2 Coefficient Standard error t ratio P value [95% confidence interval]
Ln hemoglobin (g/dL) −3.60 0.26 −13.62 <0.000001 −4.13 −3.08
Respiratory quotient 2.43 1.03 2.35 <0.03 0.37 4.49
Base excess (mEq/L) −0.06 0.03 −2.42 <0.02 −0.12 −0.01
Mixed venous O2 saturation (fraction) 0.03 0.01 3.90 <0.0003 0.01 0.04
Mixed venous PCO2 (mmHg) 0.15 0.03 4.58 <0.00003 0.08 0.21
Intercept −0.98 1.72 −0.57 0.57 −4.40 2.44