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

Table 2

Biophysical properties of scalp seborrheic dermatitis cases and control.

Variables	Case	Control	95% CI	P value
	(n = 42)	(n = 40)
TEWL, g/h/m^2
mean ± SD	13.91 ± 4.52	11.66 ± 3.93	0.44 - 4.15	<0.05
SCH, units
mean ± SD	5.61 ± 1.24	6.42 ± 1.92	-1.49 - -0.10	<0.05
pH
mean ± SD	4.95 ± 0.51	5.19 ± 0.62	-0.44 - 0.04	0.104
Skin surface lipid, units
mean ± SD	35.63 ± 7.59	29.56 ± 6.35	3.04 - 9.15	<0.05
Roughness, units
mean ± SD	11.55 ± 3.56	10.85 ± 2.61	-0.66 - 2.06	0.308

SCH, stratum corneum hydration; TEWL, transepidermal water loss. : statistically significant.