The final model for predicting the incidence of DVT 3 days following thoracotomy LC resection was as follows: Logit(P) = −2.463 – 0.026(R value) – 0.143(K value) + 0.402(α angle) + 0.198(D-D) + 0.237(MDA) + 0.409(SOD). This evidence concerns the gene SOD1 and deep vein thrombosis.