Table 4 Incident rates for severe exacerbations and purchases of systemic corticosteroids or antibiotics during follow-up stratified by respiratory hospitalizations in history
Stratifying variable: Number of respiratory hospitalizations in historya | Severe exacerbations | Systemic corticosteroids | Systemic antibiotics |
|---|---|---|---|
0 | 0.15 (0.15-0.16) | 1.05 (1.04-1.05) | 1.26 (1.25-1.27) |
1-2 | 0.74 (0.72-0.76) | 2.48 (2.45-2.51) | 2.03 (2.01-2.06) |
3-5 | 2.29 (2.22-2.37) | 4.57 (4.47-4.68) | 3.18 (3.09-3.28) |
>5 | 5.56(5.29-5.83) | 8.38 (8.05-8.72) | 4.53 (4.29-4.78) |