Gut microbiota contributes to the distinction between two traditional Chinese medicine syndromes of ulcerative colitis

Table 1 Characteristics of patients and healthy subjects

	HC	DCSR	PXSY
Gender
Male	15	15	17
Female	15	16	15
Age (mean ± SD), yr	43.13 ± 10.98	44.16 ± 11.49	41.94 ± 13.42
Duration of disease
< 1 yr		4	4
1-3 yr		11	13
3-5 yr		12	11
> 5 yr		4	4
Inflammation location
Rectum		5	5
Left colon		21	22
Whole colon		5	5
Disease activity
Clinical remission		7	9
Mild activity		9	9
Moderate activity		7	7
Severe activity		8	7

HC: Healthy controls; DCSR: Da-Chang-Shi-Re syndrome; PXSY: Pi-Xu-Shi-Yun syndrome. There were no significant differences among the three groups in gender, age, duration of disease, inflammation location, or disease activity (P > 0.05).