• West China Stomatological College of Sichuan University; Sichuan; Chengdu 610041; China;
Export PDF Favorites Scan Get Citation

Objective  To evaluate the quality of clinical studies on dentistry from the Chinese Journals.
Methods  Clinical studies in Chinese Journal of Conservative Dentistry of 2002 were searched. The quality of the clinical studies on assessment of treatments’ efficacy was evaluated.
Results  Among 204 related studies from 12 issues, there were 93 (45.58%) restrospective intervention studies, 6 randomized controlled blinded trials (2.94%), 42 randomized trials without blindness (20.58%), 20 controlled trials without randomization (9.80%) and 25 clinical observational studies (12.25%). The statistical analysis showed that 20 studies were with inappropriate methods.
Conclusions  It is necessary to improve the design and statistical analysis of clinical studies on stomatology in China to produce high-quality research evidence.

Citation: WANG Jian,SHI Zongdao. Evaluation of the Design and Statistical Methods of Clinical Studies Published in Chinese Journal of Conservative Dentistry of 2002. Chinese Journal of Evidence-Based Medicine, 2004, 04(7): 482-483. doi: Copy

Copyright © the editorial department of Chinese Journal of Evidence-Based Medicine of West China Medical Publisher. All rights reserved