Assessing Biophysical and Physiological Profiles of Scalp Seborrheic Dermatitis in the Thai Population

Table 1

Demographic data.

Variables	Case (n = 42)	Control (n = 40)	P value
Age, years
mean ± SD	34.5 ± 6.9	32.4 ± 6.6	0.16
Sex, n (%)
Male	15 (35.7%)	12 (30.0%)	0.58
Female	27 (64.3%)	28 (70.0%)
Duration of disease, years
median (range)	4 (1-11)	-	NA
Measurement areas, n (%)
Frontal	4	0	NA
Vertex	9	0
Parietal	15	0
Occipital	14	40

NA, not applicable.