Reviewer ’s report  
Title: Prevalence and associated factors of dysmenorrhea among s econdary and preparatory 
school students in Debremarkos town, North -west Ethiopia  
 
Version: 4 Date: 20 Oct 2017  
 
Reviewer: Hasan Topçu  
 
Reviewer's report:  
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Firstly, I thank to the authors for their efforts. However, the issue does not carr y any interest and 
does not add any additive data to the literature.  
Also, the study mentions the general aspects of the dysmenorrhea, nowadays it is not enough to 
give non -comparable data about any issue.  
 
Are the methods appropriate and well described?  
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Yes 
Does the work include the necessary controls?  
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No 
Are the conclusions drawn adequately supported by the data shown?  
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Yes 
Are you able to assess any statistics in the manus cript or would you recommend an 
additional statistical review?  
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assessment in your comments to the editors.  
I am able to assess the statistics  
Quality of written English  
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Acceptable  
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None.  
 
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