Table 3. Most significant SNP Combinations detected by GMDR program and best constituent genotype combination for gene 9 gene interactions in primary population.
Best SNP combinations | Best constituent genotype combinations | |||||||
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Combination | Test accuracy | CVC | P value* | Combination | % in AD cases (N = 500) | % in controls (N = 280) | OR (95 % CI) | P value# |
SLC6A4: HTTLPR, rs1042173 HTR3B: rs1176744, rs3782025 |
0.8503 | 10 | <1 × 10−6 | 5HTTLPR-LL/LS rs1042173-TT/TG rs1176744-AC rs3782025-AG | 13.02 | 2.96 | 2.712 (1.578, 4.661) | 0.0003 |
SLC6A4: HTTLPR HTR3A: rs10160548 HTR3B: rs1176744, rs3782025 |
0.7402 | 10 | <1 × 10−6 | 5HTTLPR-LL/LS rs10160548-GT/TT rs1176744-AC rs3782025-AG | 13.61 | 3.11 | 2.802 (1.648, 4.765) | 0.0001 |
SLC6A4: HTTLPR, rs1042173 HTR3A: rs10160548 HTR3B: rs1176744, rs3782025 |
0.5836 | 9 | 0.0042 | 5HTTLPR-LL/LS rs1042173-TT/TG rs10160548-GT/TT rs1176744-AC rs3782025-AG | 11.83 | 2.37 | 3.095 (1.715, 5.583) | 0.0002 |
Empirical P value from 106 permutation tests;
Chi square P values for comparisons between those carrying the genotype combination vs. non-carriers in AD cases and controls