Table 3.
Number and frequency of CIs in recent clinical trials for CD (N = 377, including duplicates)
| Survey period | Clinical index | Validation | Number (%) |
|---|---|---|---|
| 2009 to 2012 (N = 152, including duplicates) | |||
| Crohnʼs Disease Activity Index (CDAI) | Validated | 125 (82.2%) | |
| Harvey–Bradshaw Index (Simple CDAI) | Validated | 23 (15.1%) | |
| Pediatric Crohnʼs Disease Activity Index (PCDAI) | Validated | 7 (4.6%) | |
| Perianal Crohnʼs Disease Activity Index | Validated | 3 (2.0%) | |
| IOIBD Score (Oxford Score) | Validated | 2 (1.3%) | |
| Others (Including original indices for the trial) | Not available | 8 (5.3%) | |
| 2013–2017 (N = 225, including duplicates) | |||
| Crohnʼs Disease Activity Index (CDAI) | Validated | 129 (57.3%) | |
| Harvey–Bradshaw Index (Simple CDAI) | Validated | 38 (16.9%) | |
| Pediatric Crohnʼs Disease Activity Index (PCDAI) | Validated | 35 (15.6%) | |
| IOIBD Score (Oxford Score) | Validated | 2 (0.9%) | |
| Others (Including original indices for the trial) | Not available | 16 (7.1%) | |
| 2009–2017 (N = 377, including duplicates) | |||
| Crohnʼs Disease Activity Index (CDAI) | Validated | 254 (67.4%) | |
| Harvey–Bradshaw Index (Simple CDAI) | Validated | 61 (16.2%) | |
| Pediatric Crohnʼs Disease Activity Index (PCDAI) | Validated | 42 (11.1%) | |
| IOIBD Score (Oxford Score) | Validated | 4 (1.1%) | |
| Perianal Crohnʼs Disease Activity Index | Validated | 3 (0.8%) | |
| Others (Including original indices for the trial) | Not available | 24 (6.4%) | |
CIs Clinical indices, CD Crohn’s disease, IOIBD International Organization for the Study of Inflammatory Bowel Disease