Table 2 Univariate and multivariate analysis of the factors associated with overall survival in NSCLC patients

Univariate analysis

Age (< 60 vs. ≥ 60)

0.609

Differentiation (I-II vs. III)

0.095

Gender (Female vs. Male)

0.007

0.429

0.233–0.79

PUS7 (high vs. low)

0.012

2.007

1.164–3.461

Pathological type (Non-adenocarcinoma vs. Adenocarcinoma)

0.020

0.466

0.245–0.888

Clinical stage (IIIA vs. IB-IIB)

< 0.001

7.348

4.193–12.875

Adjuvant chemotherapy (Received vs. Not received)

0.033

0.555

0.324–0.953

Multivariate analysis

Gender (Female vs. Male)

0.014

0.456

0.244–0.853

PUS7 (high vs. low)

0.007

2.148

1.237–3.730

Clinical stage (IIIA vs. IB-IIB)

< 0.001

10. 381

5.779–18.647

Adjuvant chemotherapy (Received vs. Not received)

< 0.001

0.296

0.166–0.529