Quigley 1993

Methods	DESIGN: Randomised controlled trial BLINDING PROCEDURES: Not stated SAMPLE CALCULATION: No DURATION: 4 days FOLLOW‐UP: WITHDRAWALS/DROPOUTS: 10 ITT: Not stated GEOGRAPHICAL LOCATION: SETTING: Rehabilitation
Participants	N = 30 DIAGNOSIS: Neurogenic bladder due to recent spinal cord injury or stroke ELIGIBLE: Unknown ENROLLED: 30 COMPLETED: 20 AGE: Adults GENDER: Not stated
Interventions	Uncoated, pre‐lubricated catheter with an integrated bag with an uncoated, non‐lubricated catheter, aseptic technique both arms
Outcomes	UTI >10x5 CFU/mL + symptoms (fever, CV or SP tenderness)
Notes	Data only collected for 4 days
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	"randomly assigned"
Allocation concealment (selection bias)	Low risk	"blind selection of a marked piece of paper from a box prepared for the particular service"
Blinding of participants and personnel (performance bias) All outcomes	Low risk	No blinding, but the review authors judge that the outcome and outcome measurement are not likely to be influenced by lack of blinding.
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	Not stated
Incomplete outcome data (attrition bias) All outcomes	Low risk	Outcome data is not reported for the missing participants but there were the same number of participants with incomplete data in each arm.
Source of Funding	Unclear risk	Bard Inc.