How can I divide the population of my study in age-class when I have a follow-up of 14 years?

Hello. I have a population of 500 subjects with 100 cases of MGUS. I would calculate the rate of cases over population among age-class (e.g. 20-29, 30-39, 40-49 etc). My problem is that these...

27 July 2016 8,558 9 View