Table 2.
Outcomes according to sigmoid volvulus management modality
| Urgent surgery (n = 27) | Elective surgery (n = 22) | Conservative management (n = 43) | P value | |
|---|---|---|---|---|
| Endoscopic management | ||||
| Endoscopic decompression (yes/no) | 8 (29.6) | 22 (100.0) | 42 (97.7) | 0.003 b |
| Total decompressions per patient | 1 (0–4) | 2 (1–5) | 1 (0–4) | 0.173 a |
| Surgical procedure | ||||
| Resection with anastomosis | 4 (14.8) | 11 (50.0) | - | 0.024 b |
| Resection without anastomosis | 19 (70.4) | 10 (45.5) | - | |
| Diverting stoma without resection | 4 (14.8) | 1 (4.5) | - | |
| Recurrence | 0 (0.0) | 0 (0.0) | 21 (48.8) | - |
| Reoperation | 5 (18.5) | 2 (9.1) | - | 0.303 c |
| Length of stay (days) | 12 (2–54) | 24 (1–52) | 5 (1–24) | < 0.001 a |
| Readmission | 1 (3.7) | 4 (18.2) | 1 (2.3) | 0.039 b |
| Any complication in the episode (30 days) | 15 (55.6) | 11 (50.0) | 19 (44.2) | 0.647 b |
| Medical complications in the episode (30 days) | 12 (44.4) | 6 (27.3) | 19 (44.2) | 0.365 b |
| Respiratory complications | 10 (37.0) | 3 (13.6) | 10 (23.3) | 0.160 b |
| Urinary complications | 0 (0.0) | 1 (4.5) | 0 (0.0) | 0.200 b |
| Cardiac complications | 1 (3.7) | 0 (0.0) | 0 (0.0) | 0.296 b |
| Cerebrovascular accident | 0 (0.0) | 1 (4.5) | 1 (2.3) | 0.553 b |
| Septic shock | 1 (3.7) | 1 (4.5) | 6 (14.0) | 0.244 b |
| Postoperative surgical complications (30 days) | 9 (33.3) | 8 (36.4) | - | 0.531 c |
| Wound disruption | 1 (3.7) | 0 (0.0) | - | 0.551 c |
| Ileus | 3 (11.1) | 1 (4.5) | - | 0.387 c |
| Anastomotic leak | 2 (7.4) | 1 (4.5) | - | 0.578 c |
| Intraperitoneal abscess | 2 (7.4) | 1 (4.5) | - | 0.578 c |
| Stoma complications | 1 (3.7) | 0 (0.0) | - | 0.551 c |
| Postoperative bleeding | 0 (0.0) | 1 (4.5) | - | 0.449 c |
| Surgical site infection | 9 (33.3) | 6 (27.3) | - | 0.444 c |
| Superficial | 4 (14.8) | 4 (18.2) | - | 0.524 c |
| Deep | 3 (11.1) | 1 (4.5) | - | 0.387 c |
| Organ space | 4 (14.8) | 2 (9.1) | - | 0.438 c |
| Clavien-Dindo | ||||
| 0 | 12 (44.4) | 11 (50.0) | - | 0.475 b |
| I | 0 (0.0) | 1 (4.5) | - | |
| II | 2 (7.4) | 4 (18.2) | - | |
| III | 2 (7.4) | 2 (9.1) | - | |
| IV | 5 (18.5) | 2 (9.1) | - | |
| V | 6 (22.2) | 2 (9.1) | - | |
| Clavien-Dindo > 2 | 13 (48.1) | 6 (27.3) | - | 0.115 c |
| Mortality in the episode (30 days) | 6 (22.2) | 2 (9.1) | 16 (37.2) | 0.044 b |
| Cause of mortality (30 days) | ||||
| Medical complications | 4 (14.8) | 1 (4.5) | 16 (37.2) | 0.006 b |
| Surgical complications | 2 (7.4) | 1 (4.5) | - | 0.578 c |
Boldface was used to highlight those significative p-values (lower than 0.05)
Statistics presented as median (min–max) or n (%)
P values: aKruskal-Wallis test, bPearson’s χ2 test, cFisher’s exact test