title: [Irritable bowel syndrome in adults attending to medical offices at UMF].
abstract: OBJECTIVE
  To determine the prevalence of irritable bowel syndrome (IBS) in adults between 20-49 years of age that are attended at a medical offices at UMF 53 of the IMSS, León, Guanajuato.
  
  
  METHODS
  All adult patients between 20-49 years old that attended medical offices at UMF 53 were carried out a survey to diagnose SII according to the approaches of Rome II.
  
  
  RESULTS
  246 patients were studied, 85 patients (35%) had a diagnosis of IBS. Of those 85 patients, 8 patients (9%) had IBS with prevalence of diarrhea, 41 patients (48%) to the subgroup of IBS had prevalence of constipation and 32 patients (42%) with IBS had alternating symptoms; 18 patients (21%) they were men and 67 patients (79%) were women.
  
  
  CONCLUSIONS
  Prevalence of IBS in adults between 20-49 year-old attending to medical offices at UMF 53 of the IMSS, León, Guanajuato, is of 35%, being more frequent the IBS with constipation.
authors.affiliation: Medicina Familiar, Hospital General de Subzona con Unidad de Medicina Familiar 7, San Francisco del Rincón, Guanajuato, Instituto Mexicano del Seguro Social, México. leyvajimenez@yahoo.com.mx
authors.forename: Rafael
authors.initials: R
authors.lastname: Leyva-Jiménez
authors.forename: Petra
authors.initials: P
authors.lastname: Olvera-Torres
authors.forename: María Mayela
authors.initials: MM
authors.lastname: Alvarez-Córdova
authors.forename: Edgar Luis
authors.initials: EL
authors.lastname: Alcántar-Saldívar
mesh_terms: D000328:Adult; D017677:Age Distribution; D005260:Female; D006801:Humans; D043183:Irritable Bowel Syndrome / Q000175:diagnosis / Q000453:epidemiology*; D008297:Male; D008800:Mexico / Q000453:epidemiology; D008875:Middle Aged; D015995:Prevalence; D012720:Severity of Illness Index; D017678:Sex Distribution; D011795:Surveys and Questionnaires