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Korean J Fam Med > Volume 30(8); 2009 > Article
Korean Journal of Family Medicine 2009;30(8):626-631.
DOI: https://doi.org/10.4082/kjfm.2009.30.8.626    Published online August 20, 2009.
Quality Assessment of Randomized Controlled Trials in the Journal of the Korean Academy of Family Medicine.
Woobin Chung, Kyung Woo Lee, In Hong Hwang, Dong Hee Lee, Soo Young Kim
Department of Family Medicine, Hallym University College of Medicine, Seoul, Korea. hallymfm@gmail.com
대한가정의학회지에 실린 무작위대조시험논문의 질 평가
정우빈, 이경우, 황인홍, 이동희, 김수영
한림대학교 의과대학 강동성심병원 가정의학과
Because low quality trials may lead to wrong conclusions, quality assessments are necessary. Thus, this study scrutinizes randomized controlled trials (RCTs) in the Journal of the Korean Academy of Family Medicine (KAFM) to assess the quantity and the quality. Methods: Upon extracting randomized controlled trials from all the articles published in the Journal of the KAFM from 1980 to 2005, assessments were made on the Jadad scale and the adequacy of allocation concealment. The selections and assessments were performed independently by two researchers, and adjustment of the differences were done by a third-party researcher. In addition, the factors that may affect the quality levels were analyzed. Results: Twenty-three trials were included. In 1980s, there were only 1.09% of the total original articles, but in 2000s, 2.63% were RCTs. The mean total Jadad score increased from 1 point in 1980s to 2.17 in 2000s, and the "good quality" trials also increased from 0% to 33.33%. As for the adequate allocation concealment, however, only two studies were observed in 2000s. The most lacking aspect was the appropriate double-blinding. Also, studies intervened by medicine or funded or examined by Institutional Review Boards (IRBs) tended to receive higher quality assessments. Conclusion: Although RCTs consistently increased in quantity and quality, in future studies, researchers should continue to strive towards achieving adequate allocation concealment and appropriate double-blinding. In addition, researchers must become more interested in receiving funds and examination by IRBs.
Key Words: Journal of the Korean Academy of Family Medicine; Randomized Controlled Trial; Quality Assessment; Allocation Concealment


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