Prevalence of OSAS on the Basis of Laboratory PSG

SourceYearNo.No. Undergoing PSGCountryAge, yOSAS
PrevalenceOSAS Criteria/Comments
Anuntaseree et al201200110058Thailand6–130.69%8.5%AHI ≥1
Anuntaseree et al2022005755Unclear, possibly 101.3%6.9%Note: 2 studies used same cohort
“most nights”
Beebe et al21200760 obeseAllUnited States10–16.90% normalAHI >5
22 control13% obese↑ in obese
Bixler et al1120095740700United States5–121.2%AHI ≥5
↑ in ↑ waist circumference
↑ with nasal abnormalities
↑ in minority race
Brunetti et al203200189534 home monitoringItaly3–111%–1.8%4.9%AHI >3
Brunetti et al23201012 PSG5.4%Not ↑ in obese; Note: 2 studies used same cohort
Li et al17220106447619China5–134.8%7.2%Using ICSD-II criteria 4.8%
Li et al122010“frequently”↑ in boys
↑ in obese
↑ in ↑ tonsil size
Ng et al204200220016Hong Kong6.4 ± 41%14.5%AHI >1
O’Brien et al1320035728110United States5–75.7%11.7%AHI >5
“frequent and loud”
Sogut et al1620051198 total28Turkey3–110.9%–1.3%3.3%Used AHI >3
>3 times/weekBoys = girls
Not ↑ in obese
Wing et al17200346 obese, 44 controlAllChina7–152.3%–4.5% control; 26% to 32.6% obeseOAI ≥1 or RDI ≥5
Boys = girls
↑ in obese
Xu et al22200899 obese, 99 controlAllChinaElementary school0 if not obese and no ATHAHI >5 or OAI >1
↑ obese
↑ in ATH
  • ATH, adenotonsillar hypertrophy; ICSD, International Classification of Sleep Disorders; OAI, obstructive apnea index.