| on the body | 7 | location |
| sometimes | 5 | degree |
| despite the usual textbook description | 4 | other |
| psoriasis → be → itchy | 47 |
| psoriasis → cause → itching | 11 |
| psoriasis → cause → itchiness | 7 |
| psoriasis → create → itchy, red marks | 4 |
| psoriasis → cause → itchy patches | 3 |
| psoriasis → cause → itchy | 3 |
| negative | neutral | positive |
| 0.804 | 0.184 | 0.013 |
| Raw frequency | 75 |
| Normalized frequency | 0.664 |
| Modifier score | 0.550 |
| Perplexity | 39.248 |