1.7. Analysis.
Comparison 1 Antibiotics versus placebo, Outcome 7 COPD exacerbations according to severity of COPD ‐ continuous antibiotics.
COPD exacerbations according to severity of COPD ‐ continuous antibiotics | |||
---|---|---|---|
Study | Gold stage | Rate of exacerbations per patient year on azithromycin (Mean +/‐ SD) | Rate of exacerbations per patient year on placebo (Mean +/‐ SD) |
Albert 2011 | 2 : FEV1 (80% ‐ 50%) | 1.02 (+/‐ 0.15) | 1.68 (+/‐ 0.16) |
Albert 2011 | 3 : FEV1 (50% ‐ 30%) | 1.53 (+/‐ 0.13) | 1.75 (+/‐ 0.13) |
Albert 2011 | 4 : FEV1 < 30% | 1.75 (+/‐ 0.12) | 2.05 (+/‐ 0.28) |