Table 2

Primary outcome results. Adjusted treatment effects (CPAP change minus standard care change) for ESS, and percentage risk of fatal cardiovascular event within 5 years

Standard care/CPAP (N)Adjusted treatment effect (95% CI)p Value
ESS171/170−2.0 (−2.6 to −1.4)<0.0001
5-year risk of fatal vascular event (%)
 Primary analysis156/154+0.1 (0.0 to +0.2)0.070
 Sensitivity analysis (ignoring smoking changes)156/154+0.1 (0.0 to +0.1)0.19
 Imputation analysis175/172+0.1 (0.0 to +0.2)0.028
  • CPAP, continuous positive airway pressure; ESS, Epworth Sleepiness Score.