Figure 4

Analysis of the VAS-IBS questionnaire, expressed as median z-scores, for the PL group and the controls at follow-up. AP = abdominal pain, D = diarrhoea, C = constipation, BF = bloating and flatulence, VN = vomiting and nausea, PW = perception of mental well-being, IDL = intestinal symptoms effect on daily life. Mann–Whitney U-test. P ≤ 0.050 was considered statistically significant. * = Significant difference to controls-women, ** = Significant difference to controls-men.