| PP | Paradoxical psoriasis |
| TNF-α | Tumor necrosis factor-alpha |
| IBD | Inflammatory bowel diseases |
| IFN | Interferon |
| pDCs | Plasmacytoid dendritic cells |
| FH | Family history |
| IL23R | Interleukin 23 Receptor |
| HLA | Human leucocyte antigen |
| IFIH1 | Interferon induced with helicase C domain 1 |
| SNPs | Single nucleotide polymorphisms |
| PASI | Psoriasis area severity index |
| DLQI | Life quality index |
| OR | Odds ratio |
| CI | Confidence interval |