Furuya 2012.

Methods	Retrospective review
Participants	24 patients with advanced gynaecological cancer, who developed bowel obstruction and later died with gynaecological cancer between 1996 and 2010 in a single centre
Interventions	Surgical intervention 11 patients: 8 ileostomy; 3 percutaneous endoscopic gastrostomy Conservative management 13 patients
Outcomes	Average survival period: surgical 101 days; conservative 51 days Oral intake achieved: ileostomy 88%; PEG 100%; conservative 50% Oral intake length: ileostomy 50 days; PEG 48 days; conservative 10 days Rate of outpatient: ileostomy 50%; PEG 66%; conservative 21% Period at home: ileostomy 29 days; PEG 40 days; conservative 8 days
Notes	Poster abstract
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	High risk	Retrospective review of case notes.
Allocation concealment (selection bias)	High risk	Intervention clinical decision. Surgical, endoscopic or conservative
Blinding (performance bias and detection bias) All outcomes	High risk	Intervention clinical decision. Surgical, endoscopic or conservative
Blinding of participants and personnel (performance bias) All outcomes	High risk	Intervention clinical decision. Surgical, endoscopic or conservative
Blinding of outcome assessment (detection bias) All outcomes	High risk	Patient notes analysed retrospectively
Selective reporting (reporting bias)	Low risk	Outcomes reported for all 24 patients Results reported by surgical intervention