1. Volume 124, Issue 4, Pages 903-910 (April 2003)
Heterogeneity of symptom pattern, psychosocial factors, and pathophysiological mechanisms in severe functional dyspepsia 
Benjamin Fischler, Jan Tack, Véronique De Gucht, Z' IV Shkedy, Philippe Persoons, Dorine Broekaert, Geert Molenberghs, Jozef Janssens 
Gastroenterology 
Volume 124, Issue 4, Pages (April 2003)
DOI: /gast
Copyright © 2003 American Gastroenterological Association Terms and Conditions

2. Fig. 1
Patient selection and additional questionnaires and procedures used in the data analysis. *Symptom pattern and demographics in this subgroup were not different from the whole population.
Gastroenterology  , DOI: ( /gast )
Copyright © 2003 American Gastroenterological Association Terms and Conditions

3. Fig. 2
Schematic representation of first-order confirmatory factor analysis model for dyspepsia symptoms (χ2 = 21.77, df = 15; P = ). Four different factors are identified, with differential symptom loadings. Full arrows indicate positive loading of a symptom on a factor; dotted arrow indicates negative loading of a given symptom on a factor.
Gastroenterology  , DOI: ( /gast )
Copyright © 2003 American Gastroenterological Association Terms and Conditions

4. Fig. 3
Schematic overview of differential associations of the 4 dyspeptic symptom factors with pathophysiological (left side) and psychosocial or psychopathological (right side) dimensions.
Gastroenterology  , DOI: ( /gast )
Copyright © 2003 American Gastroenterological Association Terms and Conditions