Age, physiological characteristics, and smoking status of study subjects randomised to receive placebo or inhaled corticosteroid
| Study | Age | FEV1 (% predicted) | % Reversibility | % Smokers | ||||
|---|---|---|---|---|---|---|---|---|
| Placebo | Steroid | Placebo | Steroid | Placebo | Steroid | Placebo | Steroid | |
| Data reported as mean (SD) except *mean (SE). | ||||||||
| †Calculated from data reported in paper, absolute change 130 ml in placebo group and 120 ml in steroid group. | ||||||||
| Burge et al7 | 63.8 (7.1) | 63.7 (7.1) | 50.0 (14.9) | 50.3 (14.9) | 4.4 (3.4) | 4.4 (3.5) | 39.2 | 36.4 |
| Lung Health Study Research Group5 | 56.4 (6.8) | 56.2 (6.8) | 67.2 (12.7) | 68.5 (12.8) | 6.8 (7.7) | 6.5 (7.3) | 89.8 | 90.5 |
| Pauwels et al10 | 52.4 (7.7) | 52.5 (7.5) | 76.9 (13.2) | 76.8 (12.4) | 2.8 (3.6) | 2.9 (3.8) | 100 | 100 |
| van Grunsven et al19 | 61 (7) | 61 (7) | 44.0 (10.0) | 46.0 (11.0) | 2.9 (2.5) | 3.2 (2.7) | 39 | 34 |
| Vestbo et al12 | 59.1 (9.7) | 59.0 (8.3) | 86.9 (21.1) | 86.2 (20.6) | 7.2 (9.4) | 8.1 (8.9) | 77.2 | 75.9 |
| Weir et al9 * | 67.6 (1.0) | 65.5 (1.0) | 41.4 (16.0) | 39.7 (14.0) | 11.5† | 11.2† | 42.9 | 34.7 |