User's guide to the orthopaedic literature: How to use an article about a randomized trial?

Randomized trials, when well conducted, sit atop the hierachy of evidence. By limiting bias through randomization, concealment and blinding, surgeons can conduct high quality trials in orthopaedic surgery. The current article provides an easy, practical approach to critical appraisal of a randomized trial in orthopaedic surgery.