Evid Based Nurs 7:85 doi:10.1136/ebn.7.3.85
  • Treatment

Review: silver alloy catheters are more effective than standard catheters for reducing bacteriuria in adults in hospital having short term catheterisation

Silver alloy or silver oxide catheters v standard catheters (SCs) on risk of bacteriuria in adults who are admitted to hospital and having short term urinary catheterisation*

Outcomes Comparisons Weighted event rates RRR (95% CI) NNT (CI)
Silver alloy or silveroxide catheters SCs
*Abbreviations defined in glossary; weighted event rates, RRR, NNT, and CI calculated from data in article using a fixed effects model.
Asymptomatic bacteriuria Silver alloy v SCs at <1 wk 10% 28% 64% (48 to 76) 6 (5 to 9)
Silver alloy v SCs at >1 wk 24% 36% 33% (10 to 50) 9 (5 to 25)
Silver oxide v SCs 12% 13% 11% (−15 to 32) Not significant
Symptomatic bacteriuria Silver alloy v SCs 17% 28% 40% (27 to 50) 10 (7 to 15)

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