>International evidence and comparisons have long been offered as proof of the mantra that more guns mean more deaths and that fewer guns, therefore, mean fewer deaths.1 Unfortunately, such discussions are all too often been afflicted by misconceptions and factual error and focus on comparisons that are unrepresentative. > >http://www.law.harvard.edu/students/orgs/jlpp/Vol30_No2_KatesMauseronline.pdf
That's an interesting article - but as it points out there really isn't a way to do a proper comparison to answer the question.