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Table 3 Grouping of studies data for analysis

From: Assessment of causal link between psychological factors and symptom exacerbation in inflammatory bowel disease: a protocol for systematic review of prospective cohort studies

Studies reporting on following psychological factors

Studies reporting on symptom exacerbation in these patient groups

Studies reporting on symptom exacerbation in these patient groups

Studies reporting on symptom exacerbation in these patient groups

Minor stressors

UC patients

CD patients

Mixed CD and UC

Major life events

UC patients

CD patients

Mixed CD and UC

Personality

UC patients

CD patients

Mixed CD and UC