Internet survey on the actual situation of constipation in the Japanese population under 70 years old: focus on functional constipation and constipation-predominant irritable bowel syndrome.
Yurika KawamuraSayuri YamamotoYasushi FunakiWataru OhashiKazuhiro YamamotoTomonori OzekiYoshiharu YamaguchiYasuhiro TamuraShinya IzawaYasutaka HijikataMasahide EbiNaotaka OgasawaraMakoto SasakiKunio KasugaiPublished in: Journal of gastroenterology (2019)
In Japan, among the population of under 70 years old, the prevalence of IBS-C and FC (Rome III criteria) was 4.97% and 8.76%, respectively. IBS-C caused more severe symptoms than FC, resulting in impairment of QOL.