Fig. 2

The survival curves of clinicopathological features and IFT20 and GM130 protein expressions for patients with lung adenocarcinoma. *P < 0.05, compared with the blue line which is defined as reference line. The only one blue curve means that the survival curves for the Q2, Q3 and Q4 levels of IFT20 and GM130 protein overlapped with the reference line, respectively, after adjusting potential confouders such as gender, age, smoking status and smoking amount