Public Library of Science
Browse
Fig 2.TIF (708.15 kB)

Trends in published research.

Download (708.15 kB)
figure
posted on 2016-08-02, 17:31 authored by Benjamin M. Davies, Maire McHugh, Ali Elgheriani, Angelos G. Kolias, Lindsay A. Tetreault, Peter J. A. Hutchinson, Michael G. Fehlings, Mark R. N. Kotter

Stacked line graph of year of publication of identified studies. Retrospective studies are in blue, prospective studies in red and the number of RCTs indicated by the black line. [Pro: Prospective, Retro: Retrospective, RCT: Randomised Controlled Trial]. The number of publications has increased over time, including those deemed of higher quality (prospective and randomised).

History