Table 2.

Main characteristics of α-synuclein and tau protein levels in study groups

Parameters	Control group (n = 25)	ADHD group (n = 25)	p
Gender (M/F)	13/12	11/14	0.779
Age (years)	9.5 ± 2.51	8.89 ± 2.54	0.373
α-synuclein (ng/ml)	51.41 (42.45–69.61)	50.52 (44.66–58.67)	0.058
Tau protein (ng/l)	470.0 (360.6–1010.5)	394.5 (304.7–566.0)	0.003
α-synuclein (min/max)	(34.0/103.5)	(35.7/108.0)	–
Tau protein (min/max)	(251.7/829.9)	(224.7/1211.6)	–

Data are expressed as numbers for categorical variables and mean ± SD or median (25th–75th percentile) for continuous variables

M male, F female