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. 2015 Oct 1;8(10):13136–13145.

Table 4.

Univariate analyses for PFS and OS in 29 TKIs-treated NSCLC patients with tumor tissue EGFR mutation

PFS OS


HR 95% CI P HR 95% CI P
Age (years) 0.036 0.117
    ≤60 0.412 0.166-1.026 0.215 0.024-1.925
    >60 Reference Reference
Gender 0.677 0.704
    Male 1.192 0.492-2.887 1.395 0.233-8.366
    Female Reference Reference
Smoking history 0.477 0.491
    Smoker 1.388 0.528-3.650 1.817 0.303-10.882
    Never smoker Reference Reference
Tumor type 0.091 0.783
    Adenocarcinoma 0.197 0.023-1.685 21.242 0.000-4.270E+15
    Non-adenocarcinoma Reference Reference
Lymph node metastasis 0.191 0.414
    Yes 3.265 0.435-24.515 24.012 0.000-5.071E+06
    No Reference Reference
Tumor stage 0.981 0.505
    II-III 0.983 0.225-4.303 0.043 0.000-90661.512
    IV Reference Reference
Plasma EGFR mutation 0.157 0.019
    Positive 1.818 0.741-4.460 66.307 0.050-88082.845
    Negative Reference Reference