Day 2003

Methods	DESIGN: Randomised controlled trial BLINDING PROCEDURES: Not stated SAMPLE CALCULATION: No (feasibility trial) DURATION: 24 hours FOLLOW‐UP: 3 urine samples for C&S in 24 hours WITHDRAWALS/DROPOUTS: No ITT: Not stated GEOGRAPHICAL LOCATION: Canada SETTING: ICU
Participants	N =11 DIAGNOSIS: Neurogenic bladder due to recent spinal cord injury ELIGIBLE: 53 ENROLLED: 11 COMPLETED: 11 AGE: Adults GENDER: Male
Interventions	Uncoated, pre‐lubricated catheter with an integrated bag with an uncoated, non‐lubricated catheter, aseptic technique both arms
Outcomes	3 urine samples for culture over a 24‐hour period + meatal swabs
Notes	No difference between groups but sample too small and time frame too short to make any inferences
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	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	No missing outcome data
Source of Funding	Unclear risk	Not stated.