Table 1: Correlation coefficients between partial pressures of O2 and CO2 and CO-oximetry parameters in venous blood and VEGF levels.

Oximetry Parameter

Correlation Coefficient

P-values

Oxygen saturation index (sO2)

-0.158

> 0.1

Partial pressure of O2 (pO2)

-0.059

> 0.1

Partial pressure of CO2 (pCO2)

-0.035

> 0.1

Oxyhemoglobin fraction FCOHb

-0.058

> 0.1

Oxyhemoglobin fraction FO2Hb

-0.146

> 0.1

Methemoglobin fraction (FMetHb)

0.13

> 0.1

Deoxyhemoglobin fraction (FHHb)

0.196

> 0.05