Table 4.
Frequences of genotypes and alleles of EPO and TCF7L genes polymorphisms in diabetes retinopathy patients and diabetes mellitus patients.
| SNP | Genotype | DR (%) | DM (%) | p value | OR (95% CI) |
|---|---|---|---|---|---|
| Allele | (n = 320) | (n = 125) | |||
| AA | (71.88%) 230 | (63.20%) 79 | 0.074 | 1.488 (0.961-2.305) | |
| AC | (25.62%) 82 | (30.40%) 38 | 0.308 | 0.789 (0.500-1.245) | |
|
| |||||
| rs551238 (EPO1) |
CC | (2.50%) 8 | (6.40%) 8 | 0.047 | 0.375 (0.138-1.022) |
| A | (97.50%) 312 | (78.4%) 196 | 0.025 | 1.524 (1.052-2.206) | |
| C | (29.13%) 90 | (36.80%) 46 | 0.025 | 0.656 (0.453-0.950) | |
| GG | (1.88%) 6 | (3.20%) 4 | 0.397 | 0.578 (0.160-2.084) | |
| GT | (26.88%) 86 | (29.60%) 37 | 0.563 | 0.874 (0.554-1.380) | |
|
| |||||
| rs1617640 (EPO 2) |
TT | (71.25%) 228 | (67.20%) 84 | 0.402 | 1.210 (0.775-1.888) |
| G | (28.75%) 92 | (32.80%) 41 | 0.326 | 0.824 (0.559-1.214) | |
| T | (98.13%) 314 | (96.80%) 121 | 0.326 | 1.214 (0.824-1.789) | |
| CC | (87.19%) 279 | (96.00%) 120 | 0.006 | 0.284 (0.109-0.735) | |
| CT | (12.81%) 41 | (4.00%) 5 | 0.006 | 3.527 (1.360-9.145) | |
|
| |||||
| rs7903146 (TCF7L2) |
TT | (0) 0 | (0) 0 | ||
| C | (100.00%) 320 | (100.00%) 120 | 0.008 | 0.298 (0.116-0.763) | |
| T | (12.81%) 41 | (4.00%) 5 | 0.008 | 3.354 (1.310-8.588) | |
OR: odds ratio.