A retrospective survey of research design and statistical analyses in selected Chinese medical journals in 1998 and 2008.

ABSTRACT:

Background

High quality clinical research not only requires advanced professional knowledge, but also needs sound study design and correct statistical analyses. The number of clinical research articles published in Chinese medical journals has increased immensely in the past decade, but study design quality and statistical analyses have remained suboptimal. The aim of this investigation was to gather evidence on the quality of study design and statistical analyses in clinical researches conducted in China for the first decade of the new millennium.

Methodology/principal findings

Ten (10) leading Chinese medical journals were selected and all original articles published in 1998 (N = 1,335) and 2008 (N = 1,578) were thoroughly categorized and reviewed. A well-defined and valid

SUBMITTER: Jin Z 

PROVIDER: S-EPMC2876024 | biostudies-literature | 2010 May

REPOSITORIES: biostudies-literature