OBJECTIVE To estimate worldwide prevalence of chronic low back pain according to age and sex. METHODS We consulted Medline (PubMed), LILACS and EMBASE electronic databases. The search strategy used th
Attentional biases have been demonstrated by individuals with chronic pain, who show a selective preference for pain-related information (ie words and pictures) compared to neutral information. This b
Search Methods for Identification of Studies: To identify studies to include or consider for this systematic review, the review team worked with a librarian to develop detailed search strategies for e
This is a multi-site, cross-sectional, observational study involving a total of 18 centers. Using the infrastructure of the TBIMS, this study will add new study measures at collaborative study sites a
