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To systematically review the use of Quantitative sensory testing (QST) in pain characterisation (phenotyping) in Osteoarthritis (OA).

Six bibliographic databases (Medline, Embase, Amed, Cinahl, PubMed, Web of Science) were searched to identify studies published before May 2011. Data were extracted based on the primary site of OA, QST modalities, outcome measures and test sites. Standardised mean difference (SMD) and 95% confidence intervals (CIs) were calculated if possible. Publication bias was determined using funnel plot and Egger’s test. Heterogeneity was examined using Cochran Q test and I² statistic. Random effects model was used to pool the results.

Of 41 studies (2281 participants) included, 23 were case control studies, 15 case only studies, two randomised controlled trials, and one uncontrolled trial. The majority of studies examined pressure pain with …