1950-2005年我国龋病临床研究文献的质量评价

目的了解我国龋病临床研究的质量水平。方法通过电子和手工检索1950-2005年我国龋病临床研究文献，采用Jadad量表进行质量评价。结果我国1950-2005年公开发表的龋病临床研究文献共有3 201篇，其中高质量研究文献为46篇，仅占1.44%。3 201篇文献中，142篇（4.44%）提到了具体的随机分配方法，26篇（0.81%）对双盲的措施进行了描述，256篇（8.00%）对治疗期退出与失访的病例进行了描述。结论我国龋病临床研究文献质量有待进一步提高。

Quality evaluation on Chinese clinical research literatures about dental caries in 1950-2005

Objective The purpose of this study is to evaluate the quality level of Chinese clinical research about dental caries in 1950-2005. Methods The Chinese clinical research literatures about dental caries in 1950-2005 were collected. All the literatures were evaluated by Jadad scale. The score of Jadad scale was form 0 to 5. Score 2 and below was poor quality literature, and score 3 and more was high quality literature. The full marks of Jadad scale was 5. Results 3 201 clinical research papers about dental caries were collected, in which 46 articles were high quality literature. In 3 201 papers, random allocation methods were mentioned in 142 papers, double-blind measure were performed in 26 papers, the withdrawn and missing cases were described in 256 papers. Conclusion The high quality literature of Chinese clinical research about dental caries in scientific research design is less. The scientific research design should be strength to enhance the total quality of Chinese clinical research about dental caries.