Table 1: Cox regression analysis of therapy adherence
| Adherence Category | N = 438 | HR | 95%CI | |
|---|---|---|---|---|
| Hospital admission(1) | 1 (optimal) | 340 | 1.0 | - |
| 2 (suboptimal) | 48 | 1.5 | 0.96-2.3 | |
| 3 (underuse) | 29 | 1.6 | 0.9-2.7 | |
| 4 (overuse) | 21 | 2.2 | 1.2-3.9 | |
| Pneumonia(1) | 1 | 1.0 | - | |
| 2 | 0.8 | 0.5-1.5 | ||
| 3 | 0.8 | 0.4-1.9 | ||
| 4 | 0.5 | 0.2-1.7 | ||
| Mortality(1) | 1 | 1.0 | - | |
| 2 | 0.8 | 0.4-1.7 | ||
| 3 | 2.4 | 1.2-4.7 | ||
| 4 | 2.9 | 1.4-5.9 |
1 Corrected for FEV1 at baseline.