INTRODUCTION
CIC, chronic constipation
CHRONIC IDIOPATHIC CONSTIPATION
Chronic idiopathic constipation (CIC) is estimated to affect 5%–15% of the US population and up to 12% globally (The influence of demographic variables on outcomes in chronic constipation has not been previously evaluated because of insufficient numbers of patients in each subgroup to ensure meaningful statistical analysis. After combining data from 2 identically designed trials, the number of patients in selected ethnic and demographic subgroups increased sufficiently to provide statistically meaningful treatment outcomes in patients with CIC (