Compared to Placebo what was the result of Salbutamol  on Duration of infusion?
More patients died 28 days after randomisation in the salbutamol group than in the placebo group (RR 1·47, 95% CI 1·03–2·08; p=0·03; table 2). Survival analysis of the primary outcome (figure 3) showed a hazard ratio of 1·56 (95% CI 1·03–2·36). Salbutamol resulted in a 10·9% (95% CI 1·0–20·4) absolute increase in 28-day mortality