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Table 3 Relative risks to the incidence of IFG or DM according to initial liver enzyme levels

From: Risks of borderline liver enzyme abnormalities to the incidence of impaired fasting glucose and diabetes mellitus: a 7 year follow up study of workers

Levels of initial liver enzyme

Blood glucose level

Relative Risk

p-value*

Staying normal

IFG or DM

AST (IU/L)

   

0.305

 Aa

487 (88.2)

65 (11.8)

1

 

 Bb

12 (80.0)

3 (20.0)

1.69

 

 Rc

9 (81.8)

2 (18.2)

1.54

 

ALT (IU/L)

   

0.011

 A

418 (90.3)

45 (9.7)

1

 

 B

35 (70.0)

15 (30.0)

3.09

 

 R

55 (84.6)

10 (15.4)

1.59

 

γ-GTP (IU/L)

   

0.000

 A

459 (90.2)

50 (9.8)

1

 

 B

19 (65.5)

10 (34.5)

3.52

 

 R

30 (75.0)

10 (25.0)

2.55

 

Number of abnormal liver enzymes

   

0.000

 0

396 (91.2)

38 (8.8)

1

 

 1

72 (80.0)

18 (20.0)

2.27

 

 2

32 (76.2)

10 (23.8)

2.70

 

 3

8 (66.7)

4 (33.3)

3.78

 
  1. IFG impaired fasting glucose, DM diabetes mellitus, AST aspartate aminotransferase, ALT alanine aminotransferase, γ-GTP gamma-glutamyltransferase
  2. aA was defined as ≤40 IU/L for AST, ≤35 IU/L for ALT, or ≤63 IU/L in males or ≤35 IU/L in females for γ-GTP
  3. bB was defined as 41–50 IU/L for AST, 36–45 IU/L for ALT, and 64–77 IU/L in males or 36–45 IU/L in females for γ-GTP
  4. cR was defined as ≥51 IU/L for AST, ≥46 IU/L for ALT, and ≥78 IU/L in males or ≥46 IU/L in females for γ-GTP
  5. *Chi-square test