Table 2.

Comparisons of hair density and hair diameter between males and females.

Scalp area	Hair density (hairs/cm2)			Hair diameter (μm)
	Male	Female	P value	Male	Female	P value
Frontal	155.2 ± 15.7	153.9 ± 13.5	0.46	81.3 ± 4.4	81.2 ± 5.1	0.76
Vertex	163.5 ± 14.1	162.6 ± 12.9	0.6	81.1 ± 6.5	80.7 ± 6.3	0.56
Temporoparietal	134.6 ± 16.7	133.2 ± 14.2	0.4	80.2 ± 5.8	80.3 ± 4.7	0.87
Occipital	161.3 ± 15.5	160.1 ± 13.6	0.49	80.1 ± 3.6	80.1 ± 6.9	0.31

Data are mean ± SD.