Korell 1994.

Methods	Unit of randomisation: participant Method of randomisation: unknown Time of randomisation: unknown Blinding: unknown
Participants	Patients undergoing myomectomy by laparoscopy N = 38 Dropouts: not known Myomectomy details unknown Indication for surgery: fibroids Pre‐existing adhesions: no Microsurgery: no Age, mean, SD: unknown Location: Germany Timing and duration: unknown
Interventions	Oxidised regenerated cellulose applied to myomectomy incision(s) vs Gortex applied to myomectomy site(s) Other adjuvants used: none Second‐look laparoscopy Timing: unknown Surgeon unaware: unknown Adhesiolysis: unknown
Outcomes	Adhesions at second‐look laparoscopy Incidence (per participant) Severity: graded as none, mild, and severe Adverse effects: unknown Pregnancy: unknown
Notes	Power calculations not stated Documentation not stated No source of funding stated
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Not stated within study
Allocation concealment (selection bias)	Unclear risk	Not stated within study
Blinding of participants and personnel (performance bias) All outcomes	Unclear risk	Not stated within study
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	Not stated within study
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	No mention of whether withdrawals or dropouts occurred during the study
Selective reporting (reporting bias)	Unclear risk	Data presented as numbers of cases and percentages. P values stated for significant outcomes. No omission of outcomes and no subsets of data. However, no pre‐published protocol identified
Other bias	Low risk	No other bias identified