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Evid Based Nurs 8:114 doi:10.1136/ebn.8.4.114
  • Treatment

Review: subglottic secretion drainage reduces ventilator associated pneumonia

Subglottic secretion drainage (SSD) v no SSD to prevent ventilator associated pneumonia*

Weighted event rates
Outcomes Number of trials (n) SSD No SSD RRR (95% CI) NNT (CI)
*Abbreviations defined in glossary. Weighted event rates, RRR, RRI, NNT, NNH, and CI calculated from data in article using a fixed effects model. Follow up was to discharge or death.
Ventilator associated pneumonia 5 (896) 12% 19% 49% (29 to 63) 14 (9 to 31)
RRI (CI) NNH
Mortality 4 (823) 16.5% 16.3% 7% (−19 to 42) Not significant

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