Table 5 PD-L1 expression according to the stromal types in triple negative breast cancer
Parameters | Total NÂ =Â 218 (%) | Stromal type | p value | ||
|---|---|---|---|---|---|
Desmoplastic n = 138 (%) | Inflammatory n = 63 (%) | Sclerotic n = 17 (%) | |||
PD-L1 (28-8) (T) | Â | Â | Â | Â | 0.005 |
 Negative | 191 (87.6) | 127 (92.0) | 48 (76.2) | 16 (94.1) |  |
 Positive | 27 (12.4) | 11 (8.0) | 15 (23.8) | 1 (5.9) |  |
PD-L1 (E1L3N) (T) | Â | Â | Â | Â | <0.001 |
 Negative | 186 (85.3) | 126 (91.3) | 44 (69.8) | 16 (94.1) |  |
 Positive | 32 (14.7) | 12 (8.7) | 19 (30.2) | 1 (5.9) |  |
PD-L1 (SP142) (T) | Â | Â | Â | Â | 0.001 |
 Negative | 194 (89.0) | 130 (94.2) | 48 (76.2) | 16 (94.1) |  |
 Positive | 24 (11.0) | 8 (5.8) | 15 (23.8) | 1 (5.9) |  |
PD-L1 (28-8) (I) | Â | Â | Â | Â | <0.001 |
 Negative | 138 (63.3) | 100 (72.5) | 25 (39.7) | 13 (76.5) |  |
 Positive | 80 (36.7) | 38 (27.5) | 38 (60.3) | 4 (23.5) |  |
PD-L1 (E1L3N) (I) | Â | Â | Â | Â | <0.001 |
 Negative | 136 (62.4) | 103 (74.6) | 20 (31.7) | 13 (76.5) |  |
 Positive | 82 (37.6) | 35 (25.4) | 43 (68.3) | 4 (23.5) |  |
PD-L1 (SP142) (I) | Â | Â | Â | Â | <0.001 |
 Negative | 176 (80.7) | 121 (87.7) | 40 (63.5) | 15 (88.2) |  |
 Positive | 42 (19.3) | 17 (12.3) | 23 (36.5) | 2 (11.8) |  |