Table 3.
Classification Types of ear canals along with percentages of ears for each type.
| Type | Description | % Left ears | % Right ears |
|---|---|---|---|
| 1 | T = R | 27 | 19 |
| 2 | T = R − 1 | 15 | 22 |
| 3 | T = R + 1 | 22 | 30 |
| 4 | T = R − 2 | 17 | 7 |
| 5 | T = R + 2 | 10 | 10 |
| 6 | T = R − 3 | 3 | 2 |
| 7 | T = R + 3 | 6 | 10 |
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