Research Article
Evaluation of Hair Density and Hair Diameter in the Adult Thai Population Using Quantitative Trichoscopic Analysis
Table 1
Comparisons of hair density and hair diameter among different scalp sites.
| | | Scalp area | | Frontal | Vertex | Temporoparietal | Occipital | value† |
| | Hair density (hairs/cm2) | 154.3 ± 12.8 | 162.9 ± 15.7 | 133.7 ± 14.6 | 160.2 ± 15.3 | <0.001 | | Hair diameter (μm) | 81.1 ± 6.9 | 80.8 ± 5.9 | 80.1 ± 4.5 | 80.3 ± 5.1 | 0.066 |
| | | Pairwise comparison | | Frontal vs. vertex | Frontal vs. occipital | Frontal vs. temporoparietal | Vertex vs. occipital | Vertex vs. temporoparietal | Occipital vs. temporoparietal |
| | Hair density (hairs/cm2) | | | | | | | | Hair diameter (μm) | | | | | | |
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Data are mean ± SD. Statistically significant difference. †Analysis was performed using ANOVA. |
