| Number of ATIs | 95% CI | RR | |
| Episodic Infliximab | 95/128 (74.2%) | 0.66 to 0.81 | |
| Episodic Infliximab + immunosuppression | 77/171 (45.0%) | 0.38 to 0.53 | 0.60 |
| Maintenance Infliximab | 148/423 (35.0%) | 0.31 to 0.40 | |
| Maintenance Infliximab + immunosuppression | 32/315 (10.2%) | 0.07 to 0.14 | 0.31 |