Table 1.
Patient characteristics collected via patient questionnaires: IBS, CC versus LC, and active MC versus MC in remission
| Characteristics | CC (n=19) | LC (n=4) | Active MC (n=6) | MC in remission (n=17) | IBS (n=20) |
|---|---|---|---|---|---|
| Age (years), median (range) | 66 (42–86) | 63 (55–78) | 71 (42–82) | 59 (49–78) | 45 (33–65) |
| Female sex, n (%) | 16 (84) | 3 (75) | 4 (67) | 15 (88) | 13 (65) |
| Stool frequency per day at time of first diagnosis, median (range) | 7 (2–15) | 3 (2–8) | 7 (4–10) | 5.5 (2–10) | 4.5 (3–8) |
| Nocturnal diarrhea, n (%) | |||||
| Yes | 2 (11) | 0 | 1 (17) | 1 (6) | 0 |
| No | 17 (89) | 4 (100) | 5 (83) | 16 (94) | 20 (100) |
| Weight loss, n (%) | |||||
| Yes | 2 (11) | 0 | 2 (33) | 0 | 0 |
| No | 17 (89) | 4 (100) | 4 (66) | 17 (100) | 20 (100) |
| Stool consistency (Bristol stool scale), n (%) | |||||
| Watery (type 7) | 2 (11) | 1 (25) | 3 (50) | 0 | 6 (30) |
| Mushy (types 5 and 6) | 9 (47) | 0 | 2 (33) | 7 (41) | 10 (50) |
| Lumpy (types 3 and 4) | 3 (16) | 3 (75) | 0 | 6 (35) | 1 (5) |
| All consistencies | 5 (26) | 0 | 1 (17) | 4 (24) | 3 (15) |
| Mucus with stool, n (%) | |||||
| Yes | 4 (21) | 1 (25) | 1 (17) | 4 (24) | 12 (60) |
| No | 15 (79) | 3 (75) | 5 (83) | 13 (76) | 8 (40) |
Abbreviations: CC, collagenous colitis; IBS, irritable bowel syndrome; LC, lymphocytic colitis; MC, microscopic colitis.