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).