Answers are grounded in this paper and cite their sources.
The GSRS-IBS total score and subscales have high discriminant and convergent validity. The CFA confirmed the overall validity of the subscales but suggest that a sense of incomplete emptying belongs to the constipation rather than the diarrhea symptom cluster. We conclude that the GSRS-IBS is an excellent measure of IBS symptom severity in the general population.
No takes yet. Share an insight, caveat, or question.
Ljótsson et al. (2020) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: