Julián Costa-Bouzas

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Meta-analysis is a quantitative method available to epidemiologists, psychologists, social scientists and others who wish to produce a summary measure of the effect of exposure on disease, based on results from published studies along with a summary measure of uncertainty. The magnitude of the effect vary from study to study because of differences in the(More)
OBJECTIVE The aim of this study was to compare the prevalence of neurological complications related to lip biopsy for SS diagnosis using conventional vs minimally invasive techniques. METHODS We performed a systematic review and prevalence meta-analysis using the search strategy [(salivary gland biopsy OR labial biopsy OR lip biopsy) AND (Sjögren)] in the(More)
Two methods of quantifying heterogeneity between studies in meta-analysis were studied. One method quantified the proportion of the total variance of the effect estimate due to variation between studies (RI), and the other calibrated the variance between studies to the size of the effect itself through a between-study coefficient of variation (CVB).(More)
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