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Table 5 PD-L1 expression according to the stromal types in triple negative breast cancer

From: Expression of PD-L1 in triple-negative breast cancer based on different immunohistochemical antibodies

Parameters Total N = 218 (%) Stromal type p value
Desmoplastic n = 138 (%) Inflammatory n = 63 (%) Sclerotic n = 17 (%)
PD-L1 (28-8) (T)      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)      <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)      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)      <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)      <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)      <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)  
  1. T tumor cell, I immune cell