Table 4 Association of Clinicopathological Features with PD-L1 Expression Based on the 22C3-IHC and SP142-IHC assays.
Patient demographics (N=135) | 22C3 | SP142 | |||||
|---|---|---|---|---|---|---|---|
Negative N (%) | P value | Positive N (%) | Negative N (%) | P value | |||
Age (years) | >60āy | 15 (11.1) | 37 (27.4) | 0.247 | 41 (30.4) | 11 (8.1) | 0.000 |
ā¤60āy | 30 (22.2) | 53 (39.3) | 20 (14.8) | 63 (46.7) | |||
Sex | Male | 36 (26.7) | 62 (45.9) | 0.221 | 52 (38.5) | 46 (34.1) | 0.003 |
Female | 9 (6.7) | 28 (20.7) | 9 (6.7) | 20 (20.7) | |||
Smoking status | Never smoker | 19 (14.7) | 53 (41.1) | 0.027 | 25 (19.4) | 47 (36.4) | 0.001 |
Smoker | 26 (20.2) | 31 (24) | 36 (27.9) | 21 (16.3) | |||
Histology | SCC | 24 (17.8) | 29 (21.5) | 0.053 | 35 (25.9) | 18 (13.3) | 0.001 |
AD | 18 (13.3) | 49 (36.3) | 22 (16.3) | 45 (33.3) | |||
Other subtypes | 3 (2.2) | 12 (8.9) | 4 (3.0) | 11 (8.1) | |||
TNM stage | I | 22 (16.3) | 40 (29.6) | 0.557 | 36 (26.7) | 26 (19.3) | 0.418 |
II | 11 (8.1) | 16 (11.9) | 12 (8.9) | 15 (11.1) | |||
III | 11 (8.1) | 30 (22.2) | 22 (16.3) | 19 (14.1) | |||
IV | 1 (0.7) | 4 (3.0) | 4 (3.0) | 1 (0.7) | |||
