Test results for diagnosing either ulcerative colitis or Crohn’s disease in patients with inflammatory bowel disease
| Test | Ulcerative colitis (n=101) | Crohn’s disease (n=100) | Sensitivity (%) | Specificity (%) | PPV (%) |
| pANCA+ | 66 | 15 | 65 | 85 | 743-150 |
| ASCA+ | 12 | 61 | 61 | 88 | 89† |
| pANCA+ASCA− | 58 | 3 | 57 | 97 | 92.53-150 |
| pANCA−ASCA+ | 3 | 49 | 49 | 97 | 96† |
↵3-150 For ulcerative colitis; †for Crohn’s disease.
PPV, positive predictive value.