Drossman DA, Hasler WL. Rome IV-functional GI disorders: disorders of gut-brain interaction. Gastroenterology 2016;150:1257–1261.
Drossman DA. functional gastrointestinal disorders: history, pathophysiology, clinical features and Rome IV. Gastroenterology 2016;150:1262–1279.
Chang L. Review article: epidemiology and quality of life in functional gastrointestinal disorders. Aliment Pharmacol Ther 2004;20:31–39.
Talley NJ. Functional gastrointestinal disorders as a public health problem. Neurogastroenterol Motil 2008;20:121–129.
Drossman DA, Li Z, Andruzzi E et al. U.S. householder survey of functional gastrointestinal disorders. Prevalence, sociodemography, and health impact. Dig Dis Sci 1993;38:1569–1580.
Locke GR. The epidemiology of functional gastrointestinal disorders in North America. Gastroenterol Clin North Am 1996;25:1–19.
Koloski NA, Talley NJ, Boyce PM. Epidemiology and health care seeking in the functional GI disorders: a population-based study. Am J Gastroenterol 2002;97:2290–2299.
Locke GR, Zinsmeister AR, Fett SL et al. Overlap of gastrointestinal symptom complexes in a US community. Neurogastroenterol Motil 2005;17:29–34.
Boyce PM, Talley NJ, Burke C et al. Epidemiology of the functional gastrointestinal disorders diagnosed according to Rome II criteria: an Australian population-based study. Intern Med J 2006;36:28–36.
Ford AC, Marwaha A, Lim A et al. Systematic review and meta-analysis of the prevalence of irritable bowel syndrome in individuals with dyspepsia. Clin Gastroenterol Hepatol 2010;8:401–409.
Suares NC, Ford AC. Prevalence of, and risk factors for, chronic idiopathic constipation in the community: systematic review and meta-analysis. Am J Gastroenterol 2011;106:1582–1591 quiz 1581, 1592.
Lovell RM, Ford AC. Global prevalence of and risk factors for irritable bowel syndrome: a meta-analysis. Clin Gastroenterol Hepatol 2012;10:712–721.e714.
Lovell RM, Ford AC. Prevalence of gastro-esophageal reflux-type symptoms in individuals with irritable bowel syndrome in the community: a meta-analysis. Am J Gastroenterol 2012;107:1793–1801 quiz 1802.
Ford AC, Marwaha A, Sood R et al. Global prevalence of, and risk factors for, uninvestigated dyspepsia: a meta-analysis. Gut 2015;64:1049–1057.
Park JM, Choi MG, Cho YK et al. Functional gastrointestinal disorders diagnosed by Rome III questionnaire in Korea. J Neurogastroenterol Motil 2011;17:279–286.
Wu W, Guo X, Yang Y et al. The prevalence of functional gastrointestinal disorders in the chinese air force population. Gastroenterol Res Pract 2013;2013:497585.
Qumseya BJ, Tayem Y, Almansa C et al. Irritable bowel syndrome in middle-aged and elderly Palestinians: its prevalence and effect of location of residence. Am J Gastroenterol 2014;109:723–739.
Riedl A, Schmidtmann M, Stengel A et al. Somatic comorbidities of irritable bowel syndrome: a systematic analysis. J Psychosom Res 2008;64:573–582.
Patel P, Ford AC. Irritable bowel syndrome and somatization. Neurogastroenterol Motil 2015;27:740.
Patel P, Bercik P, Morgan DG et al. Irritable bowel syndrome is significantly associated with somatisation in 840 patients, which may drive bloating. Aliment Pharmacol Ther 2015;41:449–458.
North CS, Downs D, Clouse RE et al. The presentation of irritable bowel syndrome in the context of somatization disorder. Clin Gastroenterol Hepatol 2004;2:787–795.
Koloski NA, Talley NJ, Boyce PM. The impact of functional gastrointestinal disorders on quality of life. Am J Gastroenterol 2000;95:67–71.
Ford AC, Forman D, Bailey AG et al. Initial poor quality of life and new onset of dyspepsia: results from a longitudinal 10-year follow-up study. Gut 2007;56:321–327.
McNally MA, Locke GR, Zinsmeister AR et al. Biliary events and an increased risk of new onset irritable bowel syndrome: a population-based cohort study. Aliment Pharmacol Ther 2008;28:334–343.
Longstreth GF, Preskill DB, Youkeles L. Irritable bowel syndrome in women having diagnostic laparoscopy or hysterectomy. Relation to gynecologic features and outcome. Dig Dis Sci 1990;35:1285–1290.
Longstreth GF, Yao JF. Irritable bowel syndrome and surgery: a multivariable analysis. Gastroenterology 2004;126:1665–1673.
Thistle JL, Longstreth GF, Romero Y et al. Factors that predict relief from upper abdominal pain after cholecystectomy. Clin Gastroenterol Hepatol 2011;9:891–896.
Kennedy TM, Jones RH. Epidemiology of cholecystectomy and irritable bowel syndrome in a UK population. Br J Surg 2000;87:1658–1663.
Kennedy TM, Jones RH. The epidemiology of hysterectomy and irritable bowel syndrome in a UK population. Int J Clin Pract 2000;54:647–650.
Burns DG. The risk of abdominal surgery in irritable bowel syndrome. S Afr Med J 1986;70:91.
Sperber AD, Morris CB, Greemberg L et al. Development of abdominal pain and IBS following gynecological surgery: a prospective, controlled study. Gastroenterology 2008;134:75–84.
Lu CL, Liu CC, Fuh JL et al. Irritable bowel syndrome and negative appendectomy: a prospective multivariable investigation. Gut 2007;56:655–660.
Kirk G, Kennedy R, McKie L et al. Preoperative symptoms of irritable bowel syndrome predict poor outcome after laparoscopic cholecystectomy. Surg Endosc 2011;25:3379–3384.
Hasler WL, Schoenfeld P. Systematic review: abdominal and pelvic surgery in patients with irritable bowel syndrome. Aliment Pharmacol Ther 2003;17:997–1005.
Kaji M, Fujiwara Y, Shiba M et al. Prevalence of overlaps between GERD, FD and IBS and impact on health-related quality of life. J Gastroenterol Hepatol 2010;25:1151–1156.
Pinto-Sanchez MI, Ford AC, Avila CA et al. Anxiety and depression increase in a stepwise manner in parallel with multiple FGIDs and symptom severity and frequency. Am J Gastroenterol 2015;110:1038–1048.
Vakil N, Stelwagon M, Shea EP et al. Symptom burden and consulting behavior in patients with overlapping functional disorders in the US population. United European Gastroenterol J 2016;4:413–422.
Choung RS, Richard Locke G, Schleck CD et al. Multiple functional gastrointestinal disorders linked to gastroesophageal reflux and somatization: a population-based study. Neurogastroenterol Motil 2017;29.
Palsson OS, Whitehead WE, van Tilburg MA et al. Rome IV diagnostic questionnaires and tables for investigators and clinicians. Gastroenterology 2016;150:1481–1491.
Spiller RC, Humes DJ, Campbell E et al. The Patient Health Questionnaire 12 Somatic Symptom scale as a predictor of symptom severity and consulting behaviour in patients with irritable bowel syndrome and symptomatic diverticular disease. Aliment Pharmacol Ther 2010;32:811–820.
Kroenke K, Spitzer RL, Williams JB. The PHQ-15: validity of a new measure for evaluating the severity of somatic symptoms. Psychosom Med 2002;64:258–266.
Ware JE, Kosinski M, Dewey JE et alHow to Score and Interpret Single-Item Health Status Measures: A Manual for Users of the SF-8 Health Survey. Lincoln RI:Quality Metric, 2001.
Cohen J Statistical Power Analysis For The Behavioral Sciences. Routledge, 1988..
Everhart JE, Ruhl CE. Burden of digestive diseases in the United States part I: overall and upper gastrointestinal diseases. Gastroenterology 2009;136:376–386.
Ringström G, Abrahamsson H, Strid H et al. Why do subjects with irritable bowel syndrome seek health care for their symptoms? Scand J Gastroenterol 2007;42:1194–1203.
Creed F, Tomenson B, Guthrie E et al. The relationship between somatisation and outcome in patients with severe irritable bowel syndrome. J Psychosom Res 2008;64:613–620.
Issa B, Onon TS, Agrawal A et al. Visceral hypersensitivity in endometriosis: a new target for treatment? Gut 2012;61:367–372.
Mottacki N, Simrén M, Bajor A. Review article: bile acid diarrhoea—pathogenesis, diagnosis and management. Aliment Pharmacol Ther 2016;43:884–898.
Bass C, Murphy M. Somatisation disorder in a British teaching hospital. Br J Clin Pract 1991;45:237–244.
Longstreth GF. Irritable bowel syndrome and chronic pelvic pain. Obstet Gynecol Surv 1994;49:505–507.
Choung RS, Herrick LM, Locke GR et al. Irritable bowel syndrome and chronic pelvic pain: a population-based study. J Clin Gastroenterol 2010;44:696–701.
Talley NJ. Unnecessary abdominal and back surgery in irritable bowel syndrome: time to stem the flood now? Gastroenterology 2004;126:1899–1903.
Longstreth GF. Avoiding unnecessary surgery in irritable bowel syndrome. Gut 2007;56:608–610.
Mahadeva S, Ford AC. Clinical and epidemiological differences in functional dyspepsia between the East and the West. Neurogastroenterol Motil 2016;28:167–174.
Halder SL, Locke GR, Schleck CD et al. Natural history of functional gastrointestinal disorders: a 12-year longitudinal population-based study. Gastroenterology 2007;133:799–807.
Ford AC, Bercik P, Morgan DG et al. Validation of the Rome III criteria for the diagnosis of irritable bowel syndrome in secondary care. Gastroenterology 2013;145:1262–1270.e1261.
Ford AC, Bercik P, Morgan DG et al. The Rome III criteria for the diagnosis of functional dyspepsia in secondary care are not superior to previous definitions. Gastroenterology 2014;146:932–940.
Ford AC, Bercik P, Morgan DG et al. Characteristics of functional bowel disorder patients: a cross-sectional survey using the Rome III criteria. Aliment Pharmacol Ther 2014;39:312–321.