Table 1 Patient characteristics.

From: Comparison of three PD-L1 immunohistochemical assays in head and neck squamous cell carcinoma (HNSCC)

Age

58.7 (±6.4)

 

Sex

 Male

99 (67.3%)

 

 Female

48 (32.7%)

 

Tumor location

  Oropharynx

67 (45.6%)

 

 Hypopharynx

51 (34.7%)

 

 Larynx

29 (19.7%)

 

T stage

 T1

4 (2.7%)

 

 T2

38 (25.9%)

 

 T3

44 (29.9%)

 

 T4a

42 (28.6%)

 

 T4b

19 (12.9%)

 

N stage

 N0

27 (18.4)

 

 N1

21 (14.3%)

 

 N2a

12 (8.2%)

 

 N2b

43 (29.1%)

 

 N2c

37 (25.2%)

 

 N3

6 (4.1%)

 

 Nx

1 (0.7%)

 

PD-L1 expression (TPS)

1–50%

≥50%

 22C3 pharmDx

39 (26.4%)

1 (0.7%)

 SP263

64 (43.2%)

7 (4.7%)

 22C3 LDT

55 (37.2%)

5 (3.4%)

PD-L1 expression (CPS)

1–20

≥20

 22C3 pharmDx

58 (39.2%)

9 (6.1%)

 SP263

89 (60.5%)

39 (26.4%)

 22C3 LDT

76 (51.7%)

18 (12.2%)

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