Table 5 Correlations between PD-L1 Tumor Proportion Score and genetic alterations identified by next generation sequencing in 86 cases
No. of cases n = 86 | PD-L1 < 50% n = 61 (71%) | PD-L1 ≥ 50% n = 25 (29%) | p-value | ||
|---|---|---|---|---|---|
N (%) | |||||
TP53 | Positive | 40 (47) | 28 (70) | 12 (30) | 0.52 |
Negative | 46 (53) | 33 (72) | 13 (28) | ||
Other mutations | |||||
BRAF | 4 | 3 (75) | 1 (25) | ||
MET | 4 | 4 (100) | 0 (0) | ||
PIK3CA | 3 | 1 (33) | 2 (67) | ||
STK11 | 3 | 3 (100) | 0 (0) | ||
APC | 2 | 1 (50) | 1 (50) | ||
CTNNB1 | 2 | 2 (100) | 0 (0) | ||
PTEN | 2 | 2 (100) | 0 (0) | ||
MAP21K | 1 | 1 (100) | 0 (0) | ||
SMAD4 | 1 | 1 (100) | 0 (0) | ||