Age < 60 years

Age ≥ 60 years

Men

Women

Difference

P-value

Men

Women

Difference

P-value

AHI (total)

30.08 ± 21.48

17.70 ± 12.37

12.53

0.003^**

31.53 ± 19.93

23.25 ± 18.56

7.89

0.020^*

REM AHI

25.43 ± 21.37

25.59 ± 19.38

0.16

0.850

27.02 ± 22.63

29.52 ± 22.65

2.49

0.550

NREM AHI

30.76 ± 23.01

16.08 ± 13.23

14.53

<0.001^**

31.62 ± 21.14

22.09 ± 20.09

9.53

0.008^**

R:N ratio

1.26 ± 1.68

2.61 ± 1.88

1.03

0.012^*

1.07 ± 1.26

1.92 ± 2.27

0.91

0.003^**