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Table 3 Multivariate Cox proportional hazard analysis of the overall survival

From: Clinical significance in the number of involved lymph nodes in patients that underwent surgery for pathological stage III-N2 non-small cell lung cancer

Factors relative risk 95% confidence interval p value
T factor
(T1 vs T2-4)
0.521 0.285 - 0.953 0.0344
Surgical procedure
((Pneumonectomy/bilobectomy vs Lobectomy)
0.676 0.417 - 1.097 0.1131
Number of involved lymph nodes
(l or 2 vs 3≤)
0.456 0.265 - 0.785s 0.0046