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. 2020 Nov 2;6(11):e05124. doi: 10.1016/j.heliyon.2020.e05124

Table 4.

Correlations between different cortisol samples.

Sample Right-ECC (pg/mg)
R P-value Left-ECC (pg/mg)
Left-ECC (pg/mg) 0.31φ 0.06 R P-value HCC (pg/mg)
HCC (pg/mg) 0.39δ/0.22φ 0.03∗/0.17 0.01φ 0.92 R P-value
SCC (pg/ml) -0.17φ 0.27 0.18φ 0.27 0.19φ 0.31

∗:p<0.05 was significant. δ: R value was calculated using Pearson correlation. φ: R value was calculated using Spearman Correlation. The Right−ECC was obtained using an earwax self-sampling device and the Left−ECC was using a clinical syringing method (The Reiner−Alexander syringe).