Preliminary Study on the Tears Oxidative Stress Status and Sleep Disturbances in Irritable Bowel Syndrome Patients

Figure 2

VAS-IBS item scores in IBS patients and age- and sex-matched healthy controls, stratified by sex. The results are expressed as the ( for control, 10 for IBS, 7 for IBS-C, and 3 for IBS-D, , ^†, ^‡).