Skip to main content

Table 2 Association between GSTM1 or GSTT1 polymorphism and cataract risk

From: Is there association between Glutathione S Transferases polymorphisms and cataract risk: a meta-analysis?

Groups

Na

Statistical methodb

OR (95 % CI)

P

GSTM1

    

All

15

Random (P < 0.001)

1.17 (0.88–1.57)

0.288

 Ethnics

    

 Caucasian

9

Random (P < 0.001)

1.07 (0.753–1.53)

0.712

 Asian

6

Random (P < 0.001)

1.37 (0.79–2.40)

0.266

Study design

    

 Population-based

3

Random (P = 0.001)

1.17 (0.58–2.33)

0.666

 Hospital-based

12

Random (P < 0.001)

1.18 (0.84–1.65)

0.350

Gender

    

 Male

5

Random (P = 0.035)

0.89 (0.58–1.37)

0.598

 Female

5

Random (P < 0.001)

1.02 (0.44–2.32)

0.970

Subtype

    

 Cortical

4

Random (P = 0.086)

0.85 (0.59–1.23)

0.386

 Nuclear

4

Random (P = 0.084)

0.97 (0.62–1.52)

0.904

 Posterior subcapsular

3

Fixed (P = 0.242)

0.98 (0.72–1.32)

0.879

 Mixed

4

Random (P = 0.040)

0.94 (0.60–1.48)

0.792

GSTT1

    

All

9

Random (P = 0.049)

1.20 (0.96–1.51)

0.105

Ethnics

    

 Caucasian

7

Random (P = 0.058)

1.11 (0.83–1.49)

0.474

 Asian

2

Fixed (P = 0.653)

1.44 (1.14–1.83)

0.003

Study design

    

 Population-based

2

Fixed (P = 0.952)

1.54 (1.16–2.05)

0.003

 Hospital-based

7

Random (P = 0.063)

1.10 (0.84–1.45)

0.498

Gender

    

 Male

5

Fixed (P = 0.984)

1.29 (0.98–1.70)

0.073

 Female

5

Fixed (P = 0.359)

1.28 (0.97–1.69)

0.078

Subtype

    

 Cortical

4

Fixed (P = 0.186)

1.09 (0.82–1.45)

0.555

 Nuclear

4

Random (P = 0.062)

0.92 (0.52–1.62)

0.774

 Posterior subcapsular

4

Fixed (P = 0.219)

1.42 (1.04–1.94)

0.026

 Mixed

3

Random (P = 0.097)

1.21 (0.66–2.20)

0.535

  1. aN: The number of included studies
  2. bA random-effects or fixed-effects model was used in presence (P ≤ 0.10) or absence (P > 0.10) of heterogeneity of included studies and the P value was presented in parenthesis