Table 2.

Concentrations of VOMs (μg/g) in urine samples detected in alopecia areata patients compared to healthy subjects.

	Healthy	AA	Healthy vs. AA
	μg/g	μg/g	p-values
Methanethiol	0.029	0.066	0.041
2,5-Dimethylfuran	0.010	0.019	0.021
Menthol	0.000	0.007	0.035
Dehydro-beta-ionone	0.002	0.027	0.001
1,2,3,4,Tetrahydro-1,5,7-trimethyl napthalene	0.117	0.416	0.030

Only statistically significant differences (Welch test) were reported.