Ann Dermatol.  1996 Apr;8(2):107-109. 10.5021/ad.1996.8.2.107.

Statistical Errors in Papers in the two Korean Dermatology Journals

Abstract

BACKGROUND
Statistical errors have been noted in a large percentage of articles appearing in medical journals. Their incidence in the Annals of Dermatology and the Korean Journal of Dermatology, however, has not been studied.
OBJECTIVE
The purpose of this study was to evaluate the accuracy of statistical methods in the Annals of Dermatology and the Korean Journal of Dermatology. METHOD: Original papers using the t test in the Annals of Dermatology(AD) and in the Korean Journal of Dermatology(KJD) from January 1990 to July 1994 were analyzed for correctness of statistical methods.
RESULTS
Of the 376 original papers in the period considered, 78(20.7%) presented t tests and 43(55.1%) of these also contained some errors. Of the 9 papers from the Annals of Dermatology, 4(44.4%) included at least one error. Of the 69 papers from the Korean Journal of Dermatology, 39(56.5%) included at least one error.
CONCLUSION
Misuse of statistical methodology may not be uncommon in the two Korean Dermatology journals, and it would be prudent to give more attention to statistical methodology.

Keyword

Statistical errors; Annals of Dermatology; Korean Journal of Dermatology

MeSH Terms

Dermatology*
Incidence
Methods
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