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

Table 1

Demographic and pathophysiological description of the study groups.

	Study groups				value
	Control; ()	IBS; ()
ROME IV diagnostic criteria	—	Total	IBS–C	IBS–D
		Age (, years)	^†	^†			^†
Sex ratio (F/M %)	50% M/ 50% F	50% M/50% F	57.15% M/42.85% F	33.3% M/66.6% F
Pittsburg Sleep Quality Index (PSQI)
Visual analogue scale for IBS (VAS-IBS)
Abdominal pain intensity
Diarrhoea	1
Constipation
Bloating/gases
Nausea/vomiting	1
Perception of psychological wellbeing (emotional status)
Daily life influenced GI problems (quality of life)

^†Analysis of covariance.