highly significantP < 0.0001
A Pearson’s correlation between the dynamic rate changes in the oximeter signals reveals a highly significant inverse correlation for phosphorescence changes ( r = −0.597; 95% confidence, −0.710 to −0.454; P < 0.0001) and a highly significant positive correlation for changes in pO 2 ( r = 0.594; 95% confidence, 0.451 to 0.707; P < 0.0001).