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

Figure 3

(a) Pittsburg Sleep Quality Index (PSQI) in IBS patients, as compared to healthy age- and sex-matched controls. The results are expressed as the ( for control, 10 for IBS, ). (b) PSQI in IBS, stratified by patients’ sex and IBS subtype. The results are expressed as ( for control, 10 for IBS, 7 for IBS-C, and 3 for IBS-D, , , ).

(a)

(b)