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| Pearson’s correlation coefficient (r) | PASI (H) | PASI (T) | PASI (U) | PASI (L) |
|---|---|---|---|---|
| PASI (H) | 1.000 | |||
| PASI (T) | 0.406 | 1.000 | ||
| PASI (U) | 0.447 | 0.638 | 1.000 | |
| PASI (L) | 0.323 | 0.606 | 0.680 | 1.000 |
PASI: psoriasis area severity index, H: head and neck, T: trunk, U: upper extremities, L: lower extremities. All p-values are <0.0001.
