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Comparison of ALDH1 staining index between hyperkeratosis without dysplasia and hyperkeratosis with dysplasia
| Groups | N | Mean | Std. deviation | Std. error mean | T value | p value of t test | |
|---|---|---|---|---|---|---|---|
| ALDH1 staining index | Hyperkeratosis without dysplasia | 3 | .00 | .000 | .000 | − 3.500 | .004** |
| Hyperkeratosis with dysplasia | 15 | .47 | .516 | .133 |
**Highly significant
