Leiden (n = 200)

Copenhagen (n = 344)

Age (yr)

56 ± 9

59 ± 11

Race

97% Caucasian

98.5% Caucasian

Gender (M/F (%))

62/38

80/20

Body Mass Index (kg/m²)

28.2 ± 4.6

31.3 ± 6.3

AHI (/h)

34.3 ± 7.8

37.5 ± 23.1

On CPAP (%)

62

78