Table 2 Distribution of gender, number of examined hairs, scored scale structure and deformation variables
From: Hair shaft structures in EDAR induced ectodermal dysplasia
Reference group | Non-mutation group | Mutation group | |
|---|---|---|---|
n = 32 | n = 20 | n = 17a | |
Women, n (%) | 17 (53.1 %) | 10 (50.0 %) | 9 (56.3 %) |
Examined hairs, mean (sd) | 9.5 (2.2) | 10.2 (2.0) | 9.6 (2.3) |
Scale structure of cuticle layer | |||
1. Normal | 23 | 12 | 8 |
2. Incipient loss of structure | 2 | 1 | 1 |
3. Almost no structure | 3 | 2 | 2 |
4. Smooth surface | 3 | 5 | 1 |
5. Erosions | 1 | 0 | 3 |
6. Reinforced scale structure | 0 | 0 | 1 |
Diameter (Min/Max) μm | 40/110 | 15/110 | 20/90 |
Variation in diameter μm | |||
1. No variation | 0 | 0 | 1 |
2. Continuous variation of the same size | 31 | 17 | 14 |
3. Large local variation | 1 | 3 | 1 |
Deformation grade | |||
1. None | 7 | 2 | 0 |
2. Superficial (no obvious grooves present) | 24 | 15 | 4 |
3. Deep (obvious grooves present) | 1 | 3 | 12 |
Deformation extent | |||
1. None | 7 | 2 | 0 |
2. Patchy | 8 | 13 | 6 |
3. Large surface areas | 17 | 5 | 10 |
Twisted hair | 0 | 0 | 2 |
Baldness | 0 | 0 | 1 |