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IGF-1R+1013（G/A）、IGF-2R+1619（G/A）基因型与肺癌生存期的关系
The relationship among polymorphisms of IGF-1R+1013(G/A)、IGF-2R+1619(G/A) and median survival time (MST)
| Gene | n (%) | MST/month | 95%CI | χ2 | P |
| IGF-1R | 5.721 | 0.017 | |||
| GG | 49 (37.1) | 21 | 18.60-24.77 | ||
| GA+AA | 83 (62.9) | 14 | 9.78-18.22 | ||
| IGF-2R | 0.314 | 0.575 | |||
| GG | 81 (61.4) | 22 | 13.16-30.84 | ||
| GA+AA | 51 (38.6) | 16 | 11.41-20.60 |
