Table 2 Summary measures of the retraction variables
MeanSDMedianQuartileRange
VariableLowerUpper
Months between publication and retraction20.7517.7315.58.028.00–102.0
Number of citations
    Before retraction13.8341.491.00.07.00–343.0
    After retraction15.8126.237.02.018.00–270.0
Journal impact factor10.3611.094.612.015.70.4–34.8