“…Indeed, underneath the umbrella of evidence-based medicine there exists a wide range of scientific rigor, and several papers have brought to light concerns over the methodological quality of orthopaedics research. 2,3,5,10,13,22,23 Therefore, along with the increase in the quantity of evidence-based orthopaedics research, there has been a shift toward efforts to increase quality as well. 6,8,14,26,30,33 At the time of the last report in AJSM, there was an overall increase in methodological quality from 1991-1993 to 2001-2003, as represented in part by randomized, prospective controlled trials increasing from 2.7% to 5.9% of all analyzed studies over the 10-year period.…”