Table 1. Demographic characteristics of the acne patients who had been treated with oral isotretinoin (n=407).

SEM: standard error of the mean

Demographic characteristics		Mean (SEM)
Age (years)		22.15 (0.2)
Gender	Men	209 (51.4%)
	Women	198 (48.6%)
Body weight (kg)		66.5 (0.9)
Cumulative dose (mg)		6741.94 (253.7)
Starting dose		34.20 (0.5)
Dose at end		37.44 (0.4)