An Impact of Psychological Stress on the Interplay between Salivary Oxidative Stress and the Classic Psychological Stress-Related Parameters

Table 2

Salivary biochemical parameters obtained from the subjects pre- and post-PEBL test.

	Mental stress-related parameters		Oxidative stress-related parameters
	Cortisol; (ng/mL)	IgA; (ng/mg of proteins)	NO2^-/NO3^-; (μmol/mg of proteins)	Antioxidative capacity; (% of DPPH quenching)
Pre-PEBL
Median	1.4	197.7	56.9	14.7
Max	3.1	245.7	262.3	16.6
Min	0.4	48.2	5.6	6.7
IQR	0.8–2.3	134.9–245.7	23.6–103.9	11.3–16.3
Post-PEBL
Median	1.6	262.3	71.8	9.9
Max	3.9	81.7	418.0	18.8
Min	0.5	0.3	18.9	1.4
IQR	0.9–2.5	81.7–159.6	30.0–108.9	5.3–17.9
Percent change after test (%)	52.9	-37.9	61.1	0.9
value	-2.247	-4.745	-2.718	-0.966
value	0.025	<0.001	0.007	>0.05
value	0.375 (m)	0.791 (l)	0.453 (m)	0.161 (s)

IQR, interquartile range. Effect size estimate values were interpreted as follows: small, s; medium, m; large, l.