Fig. 6From: Effect of 8-week n-3 fatty-acid supplementation on oxidative stress and inflammation in middle- and long-distance running athletes: a pilot studyLinear correlation between Cortisol measured in the blood and in saliva. Cortisol: Pearson correlation coefficient (R = 0.90) indicates a high correlation. Pearson correlation test is significant (t = 5.83, df = 8, P-value < 0.001)Back to article page