| Case | Age | Gender | Attack | Operative procedure | Bowel gangrene | Colonoscopy | Time from onset | Morbidity |
| 1 | 81 | M | First | sigmoidopexy | absent | not performed | 7 h | |
| 2 | 82 | M | First | sigmoidectomy | present | mucosal color change | 24 h | |
| 3 | 83 | M | First | sigmoidectomy | absent | mucosal color change | 2 - 3 h | |
| 4 | 67 | M | First | sigmoidectomy | present | mucosal color change | 4 d | pneumonia |
| 5 | 76 | F | First | sigmoidectomy | present | not performed | 3 d | pneumonia |
| 6 | 80 | M | First | sigmoidectomy | absent | not performed | unknown | |
| 7 | 82 | F | First | sigmoidectomy | absent | mucosal color change | 3 d | |
| 8 | 67 | M | First | sigmoidectomy | present | mucosal color change | 2 d | |
| 9 | 28 | F | Repeated | sigmoidectomy | absent | NA | NA |