Table 2.
Univariate analysis of potential predictors for surgery in CD patients with percutaneously undrainable abscesses.
| Variable | 1-year cumulative surgical rate (%) | P (log-rank) |
|---|---|---|
| Gender | 0.972 | |
| Male | 87.2 | |
| Female | 83.3 | |
|
| ||
| Age at diagnosis | 0.895 | |
| A1 (16 years) | 0 | |
| A2 (17–40 years) | 86.2 | |
| A3 (40 years) | 84.0 | |
|
| ||
| Disease location | 0.208 | |
| L1 (ileal) | 85.7 | |
| L2 (colonic) | 100.0 | |
| L3 (ileocolonic) | 84.6 | |
|
| ||
| Steroids use at diagnosis | 0.703 | |
| No | 86.3 | |
| Yes | 84.4 | |
|
| ||
| AZA/6-MP use at diagnosis | 0.550 | |
| No | 89.8 | |
| Yes | 79.4 | |
|
| ||
| Infliximab use at diagnosis | 0.360 | |
| No | 87.7 | |
| Yes | 70.0 | |
|
| ||
| Perianal lesion | 0.922 | |
| No | 85.5 | |
| Yes | 85.7 | |
|
| ||
| Previous abdominal surgery | 0.007 | |
| No | 81.2 | |
| Yes | 100.0 | |
|
| ||
| Abscess diameter > 3 cm | 0.006 | |
| No | 80.3 | |
| Yes | 100 | |
|
| ||
| Fistula | 0.928 | |
| No | 85.4 | |
| Yes | 85.7 | |
|
| ||
| Multiple abscesses | 0.060 | |
| No | 82.4 | |
| Yes | 100 | |
|
| ||
| Abscess location | 0.253 | |
| Right lower quadrant | 83.8 | |
| Pelvis | 88.0 | |
| Others | 85.7 | |
|
| ||
| Exclusive enteral nutrition | 0.001 | |
| No | 96.6 | |
| Yes | 79.6 | |
AZA: azathioprine; 6-MP: mercaptopurine.