What do systematic reviews say?

Single‐use (sterile) catheter vs multiple‐use (clean) catheter

Single‐use (sterile) catheter showed no clear difference in number with symptomatic UTI1 compared with multiple‐use (clean) catheter (low certainty).

• Intermittent catheter techniques, strategies and designs for managing long‐term bladder conditions 2021 · Cochrane Headline outcomes only
  RR 0.98 [0.55, 1.74]
  2 studies · 97 participants
  Low