Table 2 Univariate analysis for PFS

Age

 > 65 vs. < 65

0.512–2.638

Sex

 Male vs. female

0.588–4.296

Smoking status

 Smoker vs. never-smoker

0.410–2.293

Intracranial metastasis

 Yes vs. no

0.469–4.173

Treatment

 EP vs. EP + radiation

0.263–1.914

Lymphopenia

 Yes vs. no

0.656–3.376

NLR

 < 5.691 vs. > 5.691

0.149–1.107

PLR

 < 186.26 vs. > 186.26

0.380–1.953

CD3⁺

 < 38.90 vs. > 38.90

0.968–5.946

CD3⁺ CD4⁺

 < 23.90 vs. > 23.90

0.409–2.137

CD3⁺ CD8⁺

 < 32.00 vs. > 32.00

0.475–2.539

CD4⁺ CD25⁺Foxp3⁺

 < 6.111 vs. > 6.111

0.625–3.274

CD4⁺ %divided

 < 84.40 vs. > 84.40

0.962–5.527

CD8⁺ %divided

 < 85.00 vs. > 85.00

1.724–16.000