Gastrointestinal Tract - Original Article

Vol. 32 No. 10 (2021): Turkish Journal of Gastroenterology

The Impact of Diagnostic Status on Quality of Life in Irritable Bowel Syndrome

Main Article Content

Gillian Eleanor Cassar
George Youssef J
Simon R Knowles
Richard Moulding
David Austin

Abstract

Background: The aim of the study was to examine the impact of diagnostic status (i.e., having a clinical diagnosis of irritable bowel

syndrome (IBS) or being symptomatic but undiagnosed on quality of life (QoL)). We also examined whether the relationships between

QoL and variables such as symptom frequency, pain catastrophizing, visceral sensitivity, and psychological distress are moderated by

diagnostic status.

Methods: The online sample comprised 404 participants (Mage = 33.59, SD = 12.43), of which 98 had been diagnosed with IBS and

306 were symptomatic but undiagnosed.

Results: The findings suggest that even after adjusting for symptom frequency, those diagnosed with IBS experience poorer QoL, relative

to those without a diagnosis. Moreover, there was evidence that the relationship between specific QoL domains (namely, sex, food

avoidance, and health worry) and psychological variables (namely, pain catastrophizing, and depression) was moderated by diagnostic

status.

Conclusion: The results indicate that diagnostic status in relation to IBS has psychological implications for QoL outcomes distinct

from symptom frequency, age, and gender. This highlights a substantial gap in our current understanding of how a diagnosis of IBS can

impact the lives of those suffering from IBS symptomology and calls into question the intended purpose of diagnosis.

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