Accuracy of CDAI to predict mucosal healing at week 26
| CDAI week 26 cut-off | Sensitivity (%) | Specificity (%) | Overall accuracy (%) | Positive predictive value factor | Negative predictive value factor | Positive predictive value | Negative predictive value |
|---|---|---|---|---|---|---|---|
| <50 | 24.4 | 76.5 | 51.6 | 1.04 | 1.01 | 0.49 | 0.52 |
| <100 | 56.7 | 54.1 | 55.3 | 1.23 | 1.25 | 0.53 | 0.58 |
| <150 | 80.0 | 34.7 | 56.4 | 1.22 | 1.73 | 0.53 | 0.65 |
| <220 | 91.1 | 19.4 | 53.7 | 1.13 | 2.18 | 0.51 | 0.70 |
CDAI, Crohn's disease activity index.