Prevalence Chart

Severity of Sleep Apnea
Percentage of Adult Population (Age 30-60)*

Mild or worse (AHI**>5) 20% Women* 9%
Men 24%
Mild or worse + Excessive Daytime Sleepiness
(Obstructive Sleep Apnea Syndrome) 3.5%
Women 4%
Men 9%
Moderate or worse <AHI>15) 7% Women 2%
Men 4%

*Prevalence increases with age. In post-menopausal women, the prevalence is similar to males.

**AHI is the Apnea/Hypopnea Index, or number os apneas and hypopneas per hour. AHI is a measure of severity of sleep apnea and qualifies the patient for therapy.