Table 1 Characteristics of the SDB prevalence studies

Author

Country

Sample size

Age (years)

Proportion of males

C. L. Rosen et al. [21] (2004)

United States

829

8.7–10.3

49.9%

E. O. Bixler et al. [75] (2009)

United States

700

5–12

47.8%

P. E. Brockmann et al. [74] (2012)

Germany

1144

8.9–10.3

47.2%

Author

SDB diagnosis method

SDB diagnosis Criteria

AHRQ scale (max 11)

C. L. Rosen et al. [21] (2004)

Questionnaire Cardiorespiratory recording

OSA: AHI ≥ 5  or AI ≥ 1

8

E. O. Bixler et al. [75] (2009)

Questionnaire PSG

1 ≤ AHI < 5  AHI ≥ 5

7

P. E. Brockmann et al. [74] (2012)

Questionnaire PSG

OSA: AHI ≥ 1 UARS: AHI < 1 RDI ≥ 1

8