Table 4.
Distances between tongue diagnoses.
| Tongue coating and classes | C 1 | C 2 | C 3 |
|---|---|---|---|
| No coating: C 1 | 0 | 0.5 | 1 |
| Medium coating: C 2 | 0.5 | 0 | 0.5 |
| Tongue coating: C 3 | 1 | 0.5 | 0 |
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