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Table 3 Statistical methodology of the reviewed original articles (n = 139) published in the Journal of the Egyptian National Cancer Institute, in the period from 2011 to 2016

From: Pitfalls in scientific research: critical appraisal of articles published in one of the international journals in Egypt

Item

Number (%)

Statistical methods

Described

112 (80.6)

 Appropriate

96 (85.7)

 Complete

34 (30.4)

 Level of significance defined (n = 104) *

92 (88.5)

 Confidence interval determined (n = 58)**

17 (29.3)

 Statistical variables correctly defined (n = 51)***

23 (45.1)

  1. *P value was not used or significance level was not applicable in 8 articles
  2. **Confidence interval was not used or not applicable in 54 articles
  3. ***Statistical variables were not used or not applicable in 61 articles