Table 2.
Morphological, histological, microbiological, serological and treatment-related features n (%)
| Characteristics | CD | GITB | P value |
| (n = 26) | (n = 26) | ||
| Sites of involvement | |||
| Oesophagus | 0 (0) | 1 (3.8) | NS |
| Stomach | 0 (0) | 2 (7.7) | NS |
| Duodenum | 1 (3.8) | 2 (7.7) | NS |
| Jejunum | 2 (7.7) | 1 (3.8) | NS |
| Ileum | 16 (61.5) | 20 (76.9) | NS |
| Ileo-cecal valve | 20 (76.9) | 21 (80.7) | NS |
| Right colon | 18 (69.2) | 21 (80.7) | NS |
| Left colon | 10 (38.4) | 5 (19.2) | NS |
| Rectum | 8 (30.7) | 5 (19.2) | NS |
| Anal and perianal region | 2 (7.7) | 1 (3.8) | NS |
| Endoscopic and/or surgical findings | |||
| Skip lesions | 6 (23.1) | 2 (7.7) | NS |
| Deep linear/serpiginous ulcers | 15 (57.7) | 6 (23.1) | S |
| Aphthous ulcers | 9 (34.6) | 5 (19.2) | NS |
| Stricture | 8 (30.7) | 5 (19.2) | NS |
| Cobble-stone appearance | 15 (57.7) | 6 (23.1) | S |
| Pseudo polyps | 9 (34.6) | 5 (19.2) | NS |
| Neoplasm-like appearance | 0 (0) | 2 (7.7) | NS |
| Fistula | 3 (11.5) | 0 (0) | NS |
| Histological features | |||
| Granuloma | 8 (30.7) | 15 (57.7) | NS |
| Caseation | 0 (0) | 9 (34.6) | S |
| Confluence | 0 (0) | 6 (23.1) | S |
| Interpreted as IBD by pathologist | 10 (38.4) | 3 (11.5) | S |
| Interpreted as TB by pathologist | 0 (0) | 13 (50) | S |
| Interpreted as non-specific chronic inflammation by pathologist | 16 (61.6) | 10 (38.4) | NS |
| AFB smear/culture positivity | 0 (0) | 6 (23.1) | S |
| TB PCR positivity | 0 (0) | 17 (65.4) | S |
| Serological features | |||
| p-ANCA | 1 (3.8) | 1 (3.8) | NS |
| c-ANCA | 1 (3.8) | 0 (0) | NS |
| IgA ASCA | 10 (38.4) | 6 (23.1) | NS |
| IgG ASCA | 10 (38.4) | 11 (42.3) | NS |
| Treatment-related factors | |||
| Recurrence after surgery, n/total patients underwent surgery (%) | 7/9 (77.7) | 0/4 (0) | S |
| Number of patients previously treated with ATT (without any response) | 9 (34.6) | - | - |
| Complete response to ATT | - | 26 (100) | - |