Abstract
The importance of psychological factors in symptom expression in diverticulosis is unknown. This follow-up study assessed the relative importance of colonic and psychological factors in symptom expression. Patients with barium enema-proven diverticula were sent a bowel symptom questionnaire in 1999 and again in 2006 with additional psychological questionnaires included. Some 170 of 261 initial responders were eligible for follow-up and 124 (72.9 per cent) provided complete replies. Forty-two (33.9 per cent) of 124 respondents experienced recurrent abdominal pain a median of 3.5 (interquartile range (i.q.r.) 2.00-9.25) days per month, with a median duration of 1 (i.q.r. 0.7-2) h. Multivariable analysis identified a history of acute diverticulitis (odds ratio 3.98; P = 0.010) and a raised score on the Hospital Anxiety and Depression Scale (odds ratio 2.53; P = 0.030) as the best predictors of recurrent pain. Psychological and colonic factors are important in symptom expression in diverticulosis.
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