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Interaction analysis of selected SNPs and the tonnage of smoky coal used per year for lung cancer risk.
| SNP | <130 tons | ≥130 tons | P value for interaction | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Controls | Cases | OR | 95% CI | Controls | Cases | OR | 95% CI | ||
|
KLK15 rs3745523 –141 C>T | |||||||||
| CC | 31 | 21 | 1 | 29 | 25 | 1.65 | 0.70–3.89 | ||
| CT+TT | 27 | 29 | 1.75 | 0.80–3.84 | 7 | 35 | 9.40 | 3.31–26.75 | 0.07 |
