Table 4.
Adherence rates for individual drugs and overall adherence rates for patients with inflammatory bowel disease
| Inflammatory bowel disease (n = 266) | Ulcerative colitis (n = 204) | Crohn's disease (n = 62) | P‐value | ||||
|---|---|---|---|---|---|---|---|
| Adherence rates for individual drugs | |||||||
| Drugs | n | N (%) | n | N (%) | n | N (%) | |
| Steroids | 49 | 47 (95.9) | 36 | 36 (100) | 13 | 11 (84.6) | 0.066 |
| Mesalamine/sulfasalazine | 211 | 192 (90.9) | 188 | 173 (92) | 23 | 19 (82.6) | 0.136 |
| Enema/suppository | 95 | 64 (67.3) | 93 | 62 (67.4) | 2 | 2 (100) | 1.000 |
| Immunosuppressant | 106 | 99 (93.4) | 62 | 60 (96.7) | 44 | 39 (88.6) | 0.124 |
| Monoclonal antibody | 3 | 3 (100) | 2 | 2 (100) | 1 | 1 (100) | — |
| Overall | 266 | 219 (82.3) | 204 | 168 (82.4) | 62 | 54 (87.1) | 0.379 |
| 1 drug | 108 | 97 | 66 | 61 (92.4) | 42 | 37 (88.1) | 0.449 |
| >1 drug | 158 | 122 | 138 | 107 (77.5) | 20 | 17 (85.0) | 0.570 |
| Overall adherence rates | |||||||
| 0–20% | 4 (1.5) | 3 (1.5) | 1 (1.6) | 0.958 | |||
| 21–40% | 4 (1.5) | 3 (1.5) | 1 (1.6) | ||||
| 41–60% | 27 (10.2) | 22 (10.8) | 5 (8.1) | ||||
| 61–80% | 12 (4.5) | 10 (4.9) | 2 (3.2) | ||||
| 81–100% | 219 (82.3) | 166 (81.4) | 53 (85.5) | ||||