Development and psychometric testing of the Visual Analogue Scale for Irritable Bowel Syndrome (VAS-IBS)
2007

Development and Testing of a Questionnaire for Irritable Bowel Syndrome

Sample size: 71 publication Evidence: high

Author Information

Author(s): Bengtsson Mariette, Ohlsson Bodil, Ulander Kerstin

Primary Institution: Malmö University Hospital, Sweden

Hypothesis

The study aims to develop and psychometrically test a short, patient-reported questionnaire for assessing symptoms and well-being in patients with Irritable Bowel Syndrome (IBS).

Conclusion

The VAS-IBS is a reliable and user-friendly questionnaire for assessing IBS symptoms and well-being.

Supporting Evidence

  • The VAS-IBS showed high internal consistency with a Cronbach's alpha of 0.85.
  • All correlations for criterion validity were statistically significant.
  • The questionnaire was easy for patients to complete and calculate.

Takeaway

Researchers created a simple questionnaire to help doctors understand how patients with Irritable Bowel Syndrome feel, making it easier to track their symptoms over time.

Methodology

The VAS-IBS was tested for content and criterion validity, internal reliability, and acceptability using feedback from an expert panel and a sample of patients with IBS.

Potential Biases

Potential bias due to the exclusion of male participants and reliance on self-reported data.

Limitations

The study primarily included women, and the VAS-IBS needs further testing in diverse populations and clinical settings.

Participant Demographics

The study included 71 female patients with IBS, mean age 38 years.

Statistical Information

P-Value

p < 0.0001

Statistical Significance

p < 0.0001

Digital Object Identifier (DOI)

10.1186/1471-230X-7-16

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