Hoyme 1993

Methods	Randomized controlled trial.
Participants	Inclusion criteria: women with laparoscopically verified salpingitis. Exclusion criteria: none stated. Number of women randomized: 33. Number of women analyzed: 33; group A: 15; group B: 18. Number of withdrawals/exclusions/loss to follow‐up and reasons: 0. Number of centres: 1. Age (years): not stated. Country: Germany.
Interventions	Group 1: ofloxacin 2 × 200 mg + metronidazole 2 × 500 mg, first IV and then PO for 10 days in total. Group 2: gentamicin 3 × 80 mg + clindamycin 4 × 600 mg (initially 1200 mg IV) for 10 days in total.
Outcomes	Primary outcome: clinical cure, no raw data reported for outcomes.
Notes	Ethical approval: judged by the ethics committee. Informed consent: yes, women gave written informed consent. Source of funding: not stated, and no conflicts of interest reported. All women hospitalized for the whole treatment. Only percentages and no numbers reported.
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Not stated.
Allocation concealment (selection bias)	Unclear risk	Not stated.
Blinding of participants and personnel (performance bias) All outcomes	Unclear risk	Not stated.
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	Not stated.
Incomplete outcome data (attrition bias) All outcomes	Low risk	All women randomized were analyzed.
Selective reporting (reporting bias)	Unclear risk	No trial protocol found.
Other bias	Unclear risk	Not stated.