Correlation between the neuroendocrine axis, microbial species, inflammatory response, and gastrointestinal symptoms in irritable bowel syndrome

Table 1 Comparison of clinical data between two study groups

		Patient group	Healthy group	t/χ2	P value
Number of cases	-	80	80	-	-
Gender	Male	33	35	0.102	0.749
	Female	47	45
Age (years)	-	22-55	22-55	-	-
	Mean	34.96 ± 6.17	35.08 ± 6.12	0.124	0.902
BMI (kg/m2)	-	19-24	19-24	-	-
	Mean	22.19 ± 1.37	22.07 ± 1.44	0.540	0.590
Education levels	High school	18	20	0.025	0.874
	Associate degree	26	27
	Bachelor's degree	36	33

BMI: Body mass index.