The Role of Dietary Energy and Macronutrients Intake in Prevalence of Irritable Bowel Syndromes

Figure 4

Prevalence of IBS according to diagnostic criteria. (a) The prevalence of irritable bowel syndrome (IBS) in Manning, questionnaire, Rome I, Rome II, Rome III, and Rome IV criteria (data were expressed as mean ± standard error). (b) The correlation between prevalence of IBS and protein proportion in Rome III criteria (Pearson correlation: r = 0.569, P ≤ 0.001; linear regression: R = 0.569, adjusted R² = 0.302, F = 15.300, P ≤ 0.001, ANOVA).

(a)

(b)