Table V.
Statistical performance of selected Psoriasis Area and Severity Index (PASI) thresholds to predict low cardiovascular risk C-reactive protein (CRP) and neutrophil-to-lymphocyte ratio (NLR) in patients with and without psoriasis arthritis
| Psoriasis arthritis |
||||
|---|---|---|---|---|
| No |
Yes |
|||
| PASI 100 | PASI 75 | PASI 100 | PASI 75 | |
| CRP < 3 mg/l | ||||
| Sensitivity | 18% | 52% | 26% | 59% |
| Specificity | 94% | 72% | 91% | 64% |
| Positive predictive value | 88% | 81% | 82% | 72% |
| NLR < 2.15 | ||||
| Sensitivity | 19% | 54% | 22% | 55% |
| Specificity | 92% | 71% | 83% | 55% |
| Positive predictive value | 80% | 76% | 56% | 55% |
| CRP < 3 mg/l and NLR < 2.15 | ||||
| Sensitivity | 22% | 57% | 25% | 58% |
| Specificity | 93% | 69% | 84% | 56% |
| Positive predictive value | 76% | 65% | 47% | 42% |