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Summary of hair density results of various studies
| Investigator | Mean Age (Years) | Density (/sq cm) | Population |
|---|---|---|---|
| Birch et al[6] | 35 | 293±61·3 | European |
| Birch et al[6] | 70 | 211±55·1 | European |
| Kim et al[7] | 20 | 159.6±35.9 | Chinese |
| Kim et al[7] | 60 | 130.7±38.4 | Chinese |
| Loussouarn[11] | 27 | 190±40 | African |
| Loussouarn[11] | - | 227±55 | Caucasian |
| Present study | 37 | 74-114 (Frontal) | Indian |
| Present study | 37 | 168-215 (Occiput) | Indian |
