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. Author manuscript; available in PMC: 2015 Oct 1.
Published in final edited form as: Lancet Respir Med. 2015 Feb 12;3(4):310–318. doi: 10.1016/S2213-2600(15)00043-0

Figure 1. Prevalence of sleep-disordered breathing and sleep apnoea syndrome, according to age and sex.

Figure 1

(A) Mild sleep-disordered breathing was defined as ≥5 to <15 events per h, moderate was ≥15 to <30 events per h, and severe was ≥30 events per h. Sleep-disordered breathing categories differed by age; p<0·0001 in men and p<0·0001 in women. (B) Mild sleep apnoea syndrome was defined as ≥5 to <15 events per h and an Epworth score >10, moderate was ≥15 to <30 events per h and an Epworth score >10, and severe was ≥30 events per h and an Epworth score >10. Categories of sleep apnoea syndrome differed by age; p<0·0001 in men and p<0·0001 in women.