Table 5 Subgroup analyses of the incidence rate of (a) treatment failure (upper panels) and (b) hospital readmissions (lower panels) within 90 days, in the intention-to-treat population, stratified for treatment with systemic corticosteroids prior to hospital admission

From: Treatment failure and hospital readmissions in severe COPD exacerbations treated with azithromycin versus placebo – a post-hoc analysis of the BACE randomized controlled trial