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Correspondence response
Response to: ‘Heterogeneity, consistency and model fit should be assessed in Bayesian network meta-analysis’ by Wei et al
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  1. Michael M Ward,
  2. Abhijit Dasgupta,
  3. Runsheng Wang
  1. National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, USA
  1. Correspondence to Dr Michael M Ward, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD 20892, USA; wardm1{at}mail.nih.gov

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We thank Wei et al1 for their comments on our paper on comparative efficacy of non-steroidal anti-inflammatory drugs (NSAIDs) in the treatment of ankylosing spondylitis.2 Here we address their questions regarding study heterogeneity, effect modification and the fit of our models. Wei et al questioned if heterogeneity among studies could have affected our results. In all meta-analyses, an assessment of study heterogeneity is important. Heterogeneity was first addressed by our inclusion criteria, which limited the types of primary studies that were eligible for inclusion in the meta-analysis to those of patients with the same diagnosis (ankylosing spondylitis), similar trial durations and no …

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