Evid Based Nurs 5:84 doi:10.1136/ebn.5.3.84
  • Treatment

A preoperative smoking intervention decreased postoperative complications in elective knee or hip replacement

Smoking intervention v usual care in patients having elective knee or hip replacement†

Outcomes to time of discharge Smoking intervention Usual care RRR (95% CI)‡ NNT (CI)
†Abbreviations defined in glossary. ‡CI calculated from data in article.
Postoperative complications
    Any complication 18% 52% 65% (42 to 83) 3 (2 to 6)
    Wound related 5% 31% 83% (48 to 95) 4 (2 to 8)

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