Age (years)

GGT iU/L

GGT iU/L Control

p (Student ?Test)

<40 Male (n = 17)

43.64 ± 1.4*

5.70 ± 0.68

p ≤ 0.01

>40 Male (n = 53)

67.56 ± 1.5*

11.36 ± 0.12

p ≤ 0.01

<40 Female (n = 6)

37.82 ± 0.87*

7.11 ± 0.86

p ≤ 0.01

>40 Female (n = 44)

57.82 ± 2.0*

14.75 ± 0.76

p ≤ 0.01