Table 2 Multivariate analysis of the relationship between PD-L1 expression and selected factors which have significance via univariate analysis by logistic regression SUVmax as an independent predictor of PD-L1 expression by multivariate analysis

Overall (n= 374)

Sex

0.38

0.07–2.11

0.268

Smoking

3.86

0.70–21.18

0.121

Location

2.55

0.757–8.582

0.131

SUVmax

1.14

1.08–1.20

0.000*

TLG-P

0.98

0.96–1.01

0.109

TLG-C

1.02

0.99–1.05

0.129

AC (n= 283)

Sex

0.28

0.02–3.33

0.313

Smoking

4.70

0.39–55.97

0.221

SUVmax

1.16

1.07–1.24

0.000*

TLG-P

0.97

0.93–1.01

0.104

TLG-C

1.03

0.99–1.07

0.147

SCC (n= 91)

Sex

0.18

0.01–7.21

0.358

Smoking

3.40

0.30–38.09

0.320

Location

1.97

0.57–6.79

0.281

SUVmax

1.12

1.01–1.24

0.032*

TLG-P

0.99

0.95–1.02

0.381

TLG-C

1.01

0.98–1.05

0.407