Table 1.
The difference of PD‐L1 expression between lung adenocarcinoma and squamous cell carcinoma
| Case | Tumor cell PD‐L1 expression | Immune cell PD‐L1 expression | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| PD‐L1+ | PD‐L1+ | PD‐L1+ | Peritumoral stroma | Invasive margin | |||||||
| <1% | ≥1% | <10% | ≥10% | <50% | ≥50% | Absent | Present | Absent | Present | ||
| LAC | 205 | 152 (74.1) | 53 (25.9)a | 162 (79.0) | 43 (21.0)b | 180 (87.8) | 25 (12.2)c | 96 (46.8) | 109 (53.2)d | 125 (60.9) | 80 (39.1)e |
| SCC | 149 | 66 (44.3) | 83 (55.7) | 88 (59.1) | 61 (40.9) | 104 (69.8) | 45 (30.2) | 53 (35.6) | 96 (64.4) | 62 (41.6) | 87 (58.4) |
Data shown as n (%).
Abbreviations: LAC, lung adenocarcinoma; PD‐L1, programmed cell death ligand 1; SCC, squamous cell carcinoma.
a
p < .0001,
b
p < .0001,
c
p < .0001,
d
p = .0385,
e
p = .0004, χ 2 or Fisher's exact test.