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Table 4 Risk factors associated with the 5-year survival year rate of lung cancer

From: Completion pneumonectomy for lung cancer treatment: early and long term outcomes

Risk factor Kaplan-Meier analysis Cox Regression analysis
sex ns ns
Right or left side 0.031 ns
Older age(>65 years old) ns ns
T ns ns
N ns ns
TNM stage 0.010 0.008
Second primary lung cancer or recurrence or lung metastases ns ns
Bronchial stump cancer left ns ns
The interval between the primary operation and CP ns ns