2010•Liaoning Zhongyiyao Daxue xuebaoRequires access

Bibliometrical Analysis of Literature on Clinical Controlled Trial of Chinese Medicine in China

Lei Wang

Abstract

Objective:To investigate the currency and development trend of clinical controlled trials of Chinese Medicine issued on journals in our country over 20 years.Methods:All of Chinese Medicine literatures concerning clinical controlled trial from Chinese Database of Science Journals during the period of 1989 to 2008 were retrieved and bibliometrical analysis on the quantity and constituent ratio of randomized controlled trial(RCT)literature and non-randomized controlled trial(non-RCT)literature of every year was performed.Results:The total number of articles of clinical controlled trial was 33399 including 19234 RCT articles(57.59%)and 14165 non-RCT articles(42.41%).The number and constituent ratio of RCT literature gradually increased while the constituent ratio of non-RCT smoothly decreased during the years.These was significant difference of constituent ratio of literature between RCT and non-RCT by runs test(P0.05).Conclusion:The number of clinical controlled trial literature gradually upgrades and the study emphasis conveys from non-RCT to RCT.

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Key concepts: Randomized controlled trial, Medicine, Traditional Chinese medicine, Clinical trial, Traditional medicine, Alternative medicine, Internal medicine, Pathology