Characteristics of the primary sclerosing cholangitis (PSC), ulcerative colitis (UC), and control groups
| PSC | UC | Controls | |
|---|---|---|---|
| *Total colitis in 92 (79%), left sided in 14 (12%), and unknown in 10 (9%). | |||
| †Total colitis in 120 (71%), left sided in 38 (22%), and unknown in 12 (7%). | |||
| N/A, not applicable. | |||
| n | 170 | 170 | 170 |
| Male | 111 (65%) | 111 (65%) | 111 (65%) |
| Age (y) (mean (SD)) | 53 (14) | 55 (14) | 54 (14) |
| Age at diagnosis (y) (mean (SD)) | 40 (16) | 34 (12) | N/A |
| IBD | 129 (76%) | 170 (100%) | 0 (0%) |
| UC | 116 (68%)* | 170 (100%)† | 0 (0%) |
| Crohn's disease | 13 (8%) | 0 (0%) | 0 (0%) |
| No IBD | 41 (24%) | 0 (0%) | 0 (0%) |