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. Author manuscript; available in PMC: 2016 Sep 1.
Published in final edited form as: Clin Lung Cancer. 2014 Dec 31;16(5):366–373. doi: 10.1016/j.cllc.2014.12.009

Table 3.

Subgroup analysis of overall survival and progression-free survival

Variable OS PFS
HR
(95%CI)		 P value HR
(95%CI)		 P value
Sex
  M 1.014 (0.225–4.569) 0.986 0.768 (0.266–2.218) 0.624
  F
Age(year)
  <60 years 1.889 (0.437–8.163) 0.176 1.998 (0.719–5.551) 0.387
  ≥60 years
Smoking status
  Former/current smoker 3.477 (0.681–17.749) 0.113 1.020 (0.382–2.757) 0.969
  Non-smoker
Oncogenic driver mutation
  Yes 10.743 (2.050–56.306) 0.001 4.296 (1.399–13.193) 0.006
  No

OS, overall survival; PFS, progression-free survival; HR, hazard Ratio; CI, confidence interval