Fig. 2From: Somatization in patients with predominant diarrhoea irritable bowel syndrome: the role of the intestinal barrier function and integrityUrinary markers of gastrointestinal permeabilityin IBS-D with low (LS) and high (HS) somatization. Panel A = %Lactulose (La). Panel B = %Mannitol (Ma). Panel C = La/Ma ratio. Panel D = %Sucrose (Su). The La/Ma ratio was significantly higher in HS patients than in LS ones (P = 0.0358). The red dot line indicates the cut-off level. Data are expressed as means ± SD and evaluated by the Mann-Whitney rank-sum testBack to article page