Trooskin 1990.

Methods	Study design: parallel RCT Study time frame/recruitment period: not reported Follow‐up period: not reported
Participants	Country: USA Setting: multicentre (number of sites not reported) Patients with CKD selected for PD Number: treatment group (44); control group (42) Mean age (years): treatment group (52); control group (49) Sex (M/F): not reported Diabetes: not reported Exclusion criteria: known penicillin allergies
Interventions	Treatment group Surfactant‐treated catheter Single and double‐cuff straight and spiral catheters were used. Catheters (BioGuard ABTM) pretreated with 5% tridodecylmethylammonium chloride (TDMAC) in ethanol Control group Surfactant‐untreated control catheter
Outcomes	Peritonitis Exit‐site/tunnel infection Death Catheter related complication Technique failure
Notes	Funding source: not reported
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Insufficient information to permit judgement
Allocation concealment (selection bias)	Unclear risk	Insufficient information to permit judgement
Blinding of participants and personnel (performance bias) All outcomes	Low risk	Double blinded
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	Insufficient information to permit judgement
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	Insufficient information to permit judgement
Selective reporting (reporting bias)	Low risk	Most of the outcomes of interest were reported
Other bias	Unclear risk	Insufficient information to permit judgement