Table 1.
Demographic and clinical characteristics of patients with and without pouchitis in the two years following an ileal pouch-anal anastomosis
| Patients without pouchitis (n=310) | Patients with pouchitis (n=284) | |||
|---|---|---|---|---|
| n | % | n | % | |
| Age in years (Mean, SD) | 42.6 | 12.8 | 41.8 | 12.5 |
| Female Sex | 127 | 41 | 141 | 50 |
| Clostridioides difficile infection in 6 months prior to colectomy with IPAA | 10 | 3 | 10 | 4 |
| Tobacco use/smoking | 23 | 7 | 21 | 8 |
| Primary Sclerosing Cholangitis | 3 | 1 | 13 | 5 |
| Diagnosis of colon cancer or dysplasia in 6 months prior to colectomy with IPAA | 26 | 8 | 23 | 8 |
| Residence Region | ||||
| Northeast | 75 | 24 | 61 | 21 |
| Midwest | 111 | 36 | 113 | 40 |
| South | 97 | 31 | 84 | 30 |
| West | 27 | 9 | 26 | 9 |
| Pay type | ||||
| Commercial Plan | 261 | 84 | 242 | 85 |
| Medicaid | 14 | 5 | 8 | 3 |
| Self-Insured | 28 | 9 | 27 | 10 |
| Unknown/Missing | 7 | 2 | 7 | 2 |
| Year of index date | ||||
| 2007 | 11 | 3 | 12 | 4 |
| 2008 | 57 | 18 | 51 | 18 |
| 2009 | 61 | 20 | 65 | 23 |
| 2010 | 57 | 18 | 55 | 19 |
| 2011 | 44 | 14 | 44 | 15 |
| 2012 | 36 | 12 | 31 | 11 |
| 2013 | 25 | 8 | 17 | 6 |
| 2014 | 19 | 6 | 9 | 3 |
Ileal pouch-anal anastomosis (IPAA); standard deviation (SD)