Table 5 Five-year survival rates and multivariate proportional hazard ratio of lung cancer death by surgical status

HR (95% CI)

HR (95% CI)

All subjects

38.8

19.3

< 0.0001

Histological types

   SQCC

41.6

16.9

< 0.0001

1.00 -

1.00 -

   Adenocarcinoma

36.5

14.7

< 0.0001

1.14 (1.03–1.26)*

1.14 (1.09–1.19)*

   SCC

17.1

14.3

0.5716

2.49 (2.05–3.03)*

1.13 (1.07–1.20)*

   LCC

43.7

11.9

< 0.0001

1.01 (0.74–1.38)

1.42 (1.26–1.61)*

   Carcinoma, NOS

31.7

17.5

0.0001

1.53 (1.24–1.89)*

1.12 (1.05–1.18)*

   Other carcinoma

65.0

34.1

< 0.0001

0.59 (0.45–0.78)*

0.77 (0.74–0.81)*