Table 4.
Summary of hair diameter data from various studies
| Investigator | Diameter (µm) | Range (µm) | Particulars | Population |
|---|---|---|---|---|
| Rakowska et al[3] | 47±0.7 | - | Frontal | Polish |
| Rakowska et al[3] | 52±0.8 | - | Occiput | Polish |
| Cottington et al[14] | 70 | 60-90 | - | European |
| Present study | 52.77±2.25 | 49-58 | Grade 1 Frontal | Indian |
| Present study | 46.37±1.90 | 42-51 | Grade 2 Frontal | Indian |
| Present study | 42.30±1.90 | 38-46 | Grade 3 Frontal | Indian |
| Present study | 61.80±2.59 | 56-66 | Grade 1 Occiput | Indian |
| Present study | 61.73±2.03 | 58-65 | Grade 2 Occiput | Indian |
| Present study | 56.60±2.79 | 51-61 | Grade 3 Occiput | Indian |