Table 2 Prognostic significance of PD-L1 and p53 expression levels, along with clinical variables, in the radically resected pLELC cohort (n = 47)

From: Molecular characteristics of primary pulmonary lymphoepithelioma-like carcinoma based on integrated genomic analyses

Variables

n (%)

Median DFS/months

P

Age (mean ± SD, years)

 

54.4 ± 8.8

 

Age

   

 <50 years

13 (27.6)

30.9 (15.6–46.2)

0.665

 ≥50 years

34 (72.4)

32.3 (24.2–40.4)

 

Gender

   

 Female

29 (61.7)

32.3 (29.1–35.5)

0.666

 Male

18 (38.3)

25.6 (11.9–39.3)

 

Smoking

   

 Yes

12 (25.5)

25.6 (5.2–46.0)

0.466

 No

35 (74.5)

30.9 (27.4–34.4)

 

Family history of cancer

   

 Yes

6 (12.8)

45.7 (30.2–61.2)

0.242

 No

41 (87.2)

29.8 (19.7–40.0)

 

Clinical stage

   

 I

19 (40.4)

29.9 (11.4–48.3)

0.185

 II

 

7 (14.9)

18.1 (1.0–35.5)

 IIIA

 

21 (44.7)

35.4 (15.3–55.5)

PD-L1 in tumor cells

   

 <1%

18 (38.3)

19.2 (16.4–22.0)

0.020*

 1–49%

 

17 (36.2)

32.3 (19.6–45.0)

 ≥50%

 

12 (25.5)

57.6 (27.6–87.6)

p53

   

 Wild type

21 (44.7)

45.1 (27.2–63.0)

0.033*

 Mutation type

 

26 (55.3)

20.0 (3.2–36.7)

  1. *P < 0.05 with significant difference