| Methods |
Retrospective review |
| Participants |
89 patients from 1977 to 1986 |
| Interventions |
Data on 59 patients with colonic carcinoma and 19 patients with gastric carcinoma |
| Outcomes |
Improved: defined as obstruction relieved by surgery and able to resume a normal diet; 48/59 (81%) colonic, 10/19 (53%) gastric
Duration of functioning bowel: defined as the ability to evacuate and eat without vomiting: median 84 days colon, 33 days gastric |
| Notes |
— |
| Risk of bias |
| Bias |
Authors' judgement |
Support for judgement |
| Random sequence generation (selection bias) |
High risk |
Patients allocated to surgery by clinician/patient choice and retrospectively reviewed |
| Allocation concealment (selection bias) |
High risk |
Patients allocated to surgery by clinician/patient choice and retrospectively reviewed |
| Blinding (performance bias and detection bias)
All outcomes |
High risk |
Patients allocated to surgery by clinician/patient choice and retrospectively reviewed |
| Blinding of participants and personnel (performance bias)
All outcomes |
High risk |
Patients allocated to surgery by clinician/patient choice and retrospectively reviewed |
| Blinding of outcome assessment (detection bias)
All outcomes |
High risk |
Patients allocated to surgery by clinician/patient choice and retrospectively reviewed |
| Selective reporting (reporting bias) |
Unclear risk |
Results not reported according to surgical intervention |
