Prevalence of obstructive sleep apnoea (OSA) (apnoea/hypopnoea index ≥15 events·h−1) in a) males aged 50–69 years and b) females aged 50–69 years with type 2 diabetes compared with estimated prevalence (—) in a general population of the same age range and b... Prevalence of obstructive sleep apnoea (OSA) (apnoea/hypopnoea index ≥15 events·h−1) in a) males aged 50–69 years and b) females aged 50–69 years with type 2 diabetes compared with estimated prevalence (—) in a general population of the same age range and body mass index (BMI). DT2: type 2 diabetes; SHHS: Sleep Heart Health Study. Maria R. Bonsignore et al. Eur Respir Rev 2013;22:353-364 ©2013 by European Respiratory Society