Table 2. Friedman Test of Time on BDNF Plasma Levels in the LSD Conditions and Dunn’s Pairwise Comparisons.

		Friedman test main time effect			Dunn’s pairwise comparisons (Z(1))a
LSD dose (μg)	participants number	(x2(3))	p	effect size Cramer’s V	0 h–2 h	0 h–4 h	0 h–6h	2 h–4 h	4 h–6 h
5	10	15.72	<0.01	0.51	1.21	3.64*	2.77*	2.42*	0.87
10	9	13.00	<0.01	0.49	1.09	2.56*	3.29*	1.46	0.73
20	8	19.05	<0.01	0.63	0.77	2.13	4.07*	1.36	1.94

^a*, statistical significance at a sequential Bonferroni corrected p value < 0.05.