Table 4 Reasons for inappropriate selection of statistical tests or descriptive parameters found in 37 articles published in the Journal of the Egyptian National Cancer Institute, in the period from 2011 to 2016
Error | Number (%) |
|---|---|
Misused descriptive parameters | |
 Mean for categorical data | 2 (5.4) |
 Mean for Non-normally distributed data or scores | 20 (54.1) |
 Mean survival or mean follow up time | 7 (18.9) |
 Percent surviving | 2 (5.4) |
 Range or Interquartile range instead standard deviation | 3 (8.1) |
Misused statistical analysis | 3 (8.1) |
 (McNemar, T test and logistic regression) |  |