SDFI < 25%

SDFI ≥ 25%

SDFI%

Age (years)

All

<40

≥40

<40

≥40

All

<40

≥40

All

Freq.

45

21

24

33

33

66

54

57

111

%

40.5

38.9

42.1

61.1

57.9

59.5

48.6

51.4

100.0

Mean

16.9

16.9

17.0

43.6

49.4

46.5

33.2

35.7

34.5

±sd

5.1

5.3

5.0

13.6

15.1

14.6

17.2

20.0

18.7

χ²

-

0.12

-

-

-

-

P-value

-

0.73

-

-

-

-

Odds Ratio

-

0.88

-

-

-

-

95% CI

-

0.41, 1.87

-

-

-

-

t-test

-

−0.07

−1.64

-

−0.71

-

P-value

-

0.47

0.05

-

0.24

-