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Table 4 The change in the average GGT value stratified by the ALDH2 genotype

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

  ALDH2*1/*1 genotype ALDH2*2 allele carrier
  With the DR Without the DR   With the DR Without the DR  
Observation period n GGT (IU/L) n GGT (IU/L) P value n GGT (IU/L) n GGT (IU/L) P value
0 26 66.1 ± 96.5 117 55.4 ± 76.2 0.54 26 42.7 ± 40.3 65 31.5 ± 24.2 0.11
2 22 63.6 ± 72.6 104 47.7 ± 62.7 0.30 23 37.7 ± 24.9 56 28.6 ± 18.3 0.08
4 20 47.3 ± 57.2 77 41.2 ± 44.6 0.61 20 38.2 ± 25.2 39 27.3 ± 16.9 0.05
6 16 61.4 ± 56.9 60 40.9 ± 45.5 0.20 16 31.6 ± 14.9 28 20.3 ± 7.7 < 0.01
8 10 59.4 ± 46.4 27 34.0 ± 19.5 0.12 14 36.4 ± 24.0 16 20.9 ± 8.4 0.02
  1. Data are mean ± standard deviation.
  2. GGT, γ-glutamyltransferase; ALDH2, aldehyde dehydrogenase 2; DR, diabetic retinopathy.