Table 2.

Baseline GGT serum enzyme activity levels according to different patient characteristics.a

CharacteristicGGT, IU/L
Never smoker14 (10–22)
Former smoker27 (17–44)
Current smoker30 (19–51)
Alcohol use, g/day
    013 (10–21)
    <2022 (14–36)
    ≥2042 (26–71)
Regular exercise19 (12–32)
No regular exercise19 (12–34)
No metabolic syndrome17 (11–29)
Metabolic syndrome36 (22–61)
No diabetes19 (12–33)
Diabetes33 (20–60)
No hypertension18 (11–30)
Hypertension29 (17–51)
No fatty liver16 (11–26)
Fatty liver34 (22–55)
NAFLD30 (20–47)
AFLD57 (38–92)
  • a Data are HR (95% CI).