Fig. 1
From: Development and validation of a MEDLINE search filter/hedge for degenerative cervical myelopathy
Study Overview. Three development datasets were made using the publications from lead spinal journals; Spine, Spinal Cord, Journal of Neurosurgery: Spine, Journal of Spinal Disorder’s and Techniques and Neurosurgery. Two separate validation data sets were created, a) using publications from April of selected years with the MeSH term ‘Spine’ and b) the references of recent DCM reviews [29,30,31]. The number of relevant articles is presented for each method as a fraction of the normal of articles screened