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) |