Table 1.
Sensory irritation scores
| Sensory perception | Score | Scoring criteria |
|---|---|---|
| |
5 |
Unbearable intense sensation |
| Itching |
4 |
|
| Slightly unusual |
3 |
Distinct sensation |
| Stinging pain |
2 |
|
| Burning sensation | 1 | Obscure sensation |
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