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Interaction analysis between OPRM1 and COMT genes
| Genotype combinations | N | Pain threshold | Pain tolerance |
|---|---|---|---|
| AA-VV | 74 | 2.3±0.9 | 5.5±1.3 |
| AA-VM | 44 | 2.2±1.0 | 5.4±1.2 |
| AA-MM | 26 | 2.0±1.1 | 5.0±1.1 |
| AG-VV | 51 | 2.2±0.9 | 5.3±1.2 |
| AG-VM | 49 | 1.7±0.9 | 4.5±1.3* |
| AG-MM | 14 | 1.6±0.9* | 4.4±1.2* |
| GG-VV | 13 | 2.0±0.9 | 4.8±1.6 |
| GG-VM | 22 | 1.6±0.8* | 4.4±1.2* |
| GG-MM | 7 | 1.5±0.8* | 4.3±1.2* |
P < 0.05, compared to AA-VV group.
