Table 3 MTHFR polymorphisms.

From: Thrombophilic risk factors for retinal vein occlusion

 

CRVO

BRVO

Total RVO

Age (M ± SD)

T677T

4 (11.4%)

5 (20.0%)

9 (15.0%)

52.3 ± 17.4

C677T/A1298C

10 (8.6%)

6 (24.0%)

16 (26.7%)

60.6 ± 13.3

C1298C

1 (2.9%)

4 (16.0%)

5 (8.3%)

66.4 ± 10.5

C677T

12 (34.3%)

3 (12.0%)

15 (25.0%)

69.1 ± 8.30

A1298C

4 (11.4%)

6 (24.0%)

10 (16.7%)

67.1 ± 12.0

Total

31 (88.6%)

24 (96.0%)

55 (91.6%)

64.0 ± 13.5

No polymorphism

4 (11.4%)

1 (4.0%)

5 (8.3%)

71.6 ± 14.0

  1. MTHFR = methylenetetrahydrofolate reductase; CRVO = central retinal vein occlusion; BRVO = branch retinal vein occlusion; age = age at RVO diagnosis; M = mean; SD = standard deviation.
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