Table 1. Characteristics of the study population.

Characteristic	Value
Age (yr)	53.3±26.8/62 (4∼95)
Gender (male) (n=75)	45 (60.0)
Androgenetic alopecia (n=72)	23 (31.9)
Hair colour (n=75)
Black	22 (29.3)
Blond	15 (20.0)
Brown	37 (49.3)
Other	1 (1.3)
Hair type (n=75)
Straight	31 (41.3)
Wavy	40 (53.3)
Curly	4 (5.3)
Height (cm)	157.1±20.7/160 (101∼190)
Weight (kg)	64.2±22.9/69 (16∼110)
Body mass index (kg/m2)	24.8±5.2/25.5 (14.6∼37.8)
Parietal GAGs	152.2±130.2/120.6 (27.6∼776.6)
Occipital GAGs	279.0±199.1/197.0 (59.0∼779.5)

Values are presented as mean±standard deviation/median (range) or number (%). GAGs: glycosaminoglycans.