OSA prevalence soars with majority undiagnosed

Australian researchers conducted polysomnography on 851 randomly selected men older than 40 who were not previously diagnosed with OSA, finding that 53% had an apnoea-hypopnea index (AHI) ≥ 10 and 12.3% had severe OSA (AHI ≥ 30).

“Men with undiagnosed OSA have concurrent metabolic conditions similar to those expected in OSA,” the researchers said.

Study leader Professor Robert Adams, a respiratory and general physician from the University of Adelaide, said OSA had become far more