Table 1.
Mean diameters (µm) of hair strand and medulla in males and females
| Body regions | Mean hair strand diameter (µm) | Mean medullary diameter (µm) | ||||||
|---|---|---|---|---|---|---|---|---|
| Male | Female | Male | Female | |||||
| Mean | 95% CI | Mean | 95% CI | Mean | 95% CI | Mean | 95% CI | |
| Scalp | 72.02 | 65.53-78.51 | 71.15 | 62.62-79.68 | 5.91 | 2.62-9.20 | 4.86 | 1.19-8.53 |
| Eyebrow | 53.97 | 49.13-58.81 | 46.69 | 42.24-51.14 | 5.12 | 2.43-7.81 | 2.64 | 0.84-4.44 |
| Axilla | 76.21 | 69.43-82.99 | 73.07 | 65.47-80.67 | 11.9 | 8.82-14.98 | 11.37 | 9.21-13.53 |
| Pubic | 100.21 | 88.86-111.56 | 88.44 | 78.35-98.53 | 23.0 | 18.47-27.53 | 16.34 | 12.26-20.42 |
95% CI – 95% confidence interval