A Newly Developed Sublingual Tonometric Method for the Evaluation of Tissue Perfusion and Its Validation In Vitro and in Healthy Persons In Vivo and the Results of the Measurements in COPD Patients

Table 4

Differences of blood gas parameters measured in the simultaneously sampled arterial  blood and of the arterialized capillary blood in COPD patient with various conditions.

Differences in	pH	PCO2; mmHg
Number	15	15
Mean ± SD	0.0013 ± 0.011	0.333 ± 1.345
Max–min	0.02–0	3–0