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Table 2 Clinical characteristics of the subjects stratified by the combination of the ALDH2 genotype and the serum GGT level at baseline

From: Association between aldehyde dehydrogenase 2 polymorphisms and the incidence of diabetic retinopathy among Japanese subjects with type 2 diabetes mellitus

GGT levels

Low

High

P-value

ALDH2 genotype

*1/*1

*2 allele

*1/*1

*2 allele

(n = 58)

(n = 85)

(n = 59)

(n = 32)

Female (%)

37.9

28.8

31.8

37.5

0.69

Age (years)

57.6 ± 11.0

60.3 ± 9.7

57.5 ± 12.4

56.9 ± 11.0

0.40

Age of diagnosis (years)

47.5 ± 10.9

51.9 ± 11.1

49.4 ± 12.2

51.1 ± 9.2

0.18

Diabetes duration (years)

10.0 ± 8.7

8.3 ± 5.4

7.9 ± 7.0

6.1 ± 5.2

0.07

BMI (kg/m2)

23.2 ± 3.6

23.2 ± 2.9

24.8 ± 4.2

25.8 ± 4.0

< 0.01

Casual plasma glucose (mmol/L)

10.9 ± 4.6

11.4 ± 5.0

11.7 ±5.9

11.6 ± 3.4

0.85

HbA1c (%)

8.4 ± 2.1

8.5 ± 2.2

8.7 ± 2.1

9.2 ± 1.8

0.36

Systolic BP (mmHg)

133.5 ± 19.5

131.5 ± 20.8

141.7 ± 17.5

143.7 ± 20.7

< 0.01

Diastolic BP (mmHg)

80.9 ± 10.9

79.5 ± 12.3

86.2 ± 12.0

87.4 ± 11.8

< 0.01

Triglycerides (mmol/L)

1.3 ± 0.9

1.6 ± 1.5

2.6 ± 2.4

1.9 ± 0.8

< 0.01

HDL cholesterol (mmol/L)

1.6 ± 0.5

1.4 ± 0.4

1.4 ± 0.3

1.4 ± 0.3

0.08

LDL cholesterol (mmol/L)

3.1 ± 0.7

3.2 ± 0.7

3.1 ± 0.8

3.4 ± 0.8

0.21

AST (IU/L)

21.0 ± 5.1

21.6 ± 5.3

39.5 ± 24.4

37.7 ± 20.7

< 0.01

ALT (IU/L)

20.9 ± 9.2

20.7 ± 7.2

49.7 ± 37.8

50.3 ± 36.4

< 0.01

GGT (IU/L)

20.8 ± 7.9

21.4 ± 7.8

77.7 ± 78.7

60.6 ± 37.8

< 0.01

Hypertension (%)

44.8

42.4

64.7

68.8

< 0.01

Dyslipidemia (%)

56.9

64.4

75.3

71.9

0.12

Ever smoker (%)

48.2

43.1

54.2

50.0

0.64

Drinker (%)

56.9

30.5

72.9

28.1

< 0.01

Therapy components

     

Hypoglycemic agents

     

Oral hypoglycemic agents (%)

72.4

67.8

64.3

75.0

0.65

Insulin (%)

22.4

10.2

7.1

3.1

0.02

Antihypertensive agents

     

ACE inhibitors or ARBs (%)

10.3

6.8

13.1

34.4

< 0.01

Others (%)

19.0

11.9

21.4

28.1

0.25

Agents for hyperlipidemia

     

Fibrates (%)

1.7

1.7

2.4

0.0

1.00

Statins (%)

3.4

11.9

9.5

9.4

0.37

Others (%)

0.0

1.7

0.0

0.0

0.64

  1. Data are percentages or mean ± standard deviation.
  2. GGT was dichotomized by the near-median 37 IU/L for the males and 26 IU/L for the females.
  3. ALDH2, aldehyde dehydrogenase 2; GGT, γ-glutamyltransferase; BMI, body mass index; HbA1c, hemoglobin A1c; BP, blood pressure; HDL, high-density lipoprotein; LDL, low-density lipoprotein; AST, aspartate aminotransferase; ALT, alanine aminotransferase; ACE, angiotensin converting enzyme; ARB, angiotensin II receptor blocker.