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Correspondence
Heterogeneity, consistency and model fit should be assessed in Bayesian network meta-analysis
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  1. Jie Wei1,2,
  2. Chao Zeng3,
  3. Guang-hua Lei3
  1. 1Health Management Center, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
  2. 2Department of Epidemiology and Health Statistics, School of Public, Health, Central South University, Changsha, Hunan Province, China
  3. 3Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
  1. Correspondence to Dr Guang-hua Lei, Department of Orthopaedics, Xiangya Hospital, Central South University, Xiangya Road, Changsha, Hunan Province 410008, China; lgh9640{at}sina.cn

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We read with deep interest the article by Wang et al1 aimed to compare the efficacy of 20 non-steroidal anti-inflammatory drugs (NSAIDs) in the short-term treatment of ankylosing spondylitis (AS). This Bayesian network meta-analysis indicated that etoricoxib was more effective in reducing pain in AS than some other NSAIDs. The result was very useful in the decision-making process, especially for pain relief in treating patients with AS. However, there are some worthwhile issues that need to be explored.

First, it is commonly agreed that meta-analysis, including network meta-analysis, should assess …

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