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Comparison of GST genotypes among three populations
| Controls (n = 201) n (%) | T2DM without DR (n=203) n (%) | T2DM with DR n=201) n (%) | Association (df=2)a | P- valueb | |
|---|---|---|---|---|---|
| GSTM1 | |||||
| Present | 103(51.2) | 93 (45.8) | 78 (38.8) | χ2 = 6.31 | 0.043 |
| null | 98(48.8) | 110 (54.2) | 23 (61.2) | ||
| GSTT1 | |||||
| Present | 161 (72.9) | 148 (72.9) | 151 (75.1) | χ2 = 3.00 | 0.223 |
| null | 40 (27.1) | 55 (27.1) | 50 (24.9) |
Pearson Chi-Square test (χ2)
Significant differences between groups (P < 0.05)
