Sites 1997.

Study characteristics
Methods	Truly randomised trial: random number table Time of randomisation: not stated Blinding: not stated Power calculation: not done ITT: NA Location: single centre in Vermont Timing and duration: not stated
Participants	women undergoing laparoscopy for lysis of adhesions, neosalpingostomy, laser vaporisation of endometriosis, ovarian cystectomy or oophorectomy (N = 13) No exclusion criteria stated
Interventions	Dextran 70, Ringer's lactate, or no fluid following primary surgery
Outcomes	Volume of fluid on transvaginal ultrasound scan at 1 hour, 3 hours, 6 hours, 24 hours, 96 hours, and 168 hours
Notes	Adhesions not assessed
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Low risk	Random‐number table
Allocation concealment (selection bias)	Unclear risk	Not enough information to provide judgement
Blinding of participants and personnel (performance bias) All outcomes	Unclear risk	Not enough information to provide judgement
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	Not enough information to provide judgement
Incomplete outcome data (attrition bias) All outcomes	Low risk	No issues identified
Selective reporting (reporting bias)	Unclear risk	Data presented in full for all outcomes specified, however, no study protocol or trial registry identified for comparison
Other bias	Low risk