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Table 2 Expression of PD-L1 monoclonal antibodies in TNBC

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

Parameters PD-L1 (28-8) PD-L1 (E1L3N) PD-L1 (SP142)
Cancer cell compartment
 1 % cut-off value
  Negative 189 (86.7) 186 (85.3) 193 (88.5)
  Positive 29 (13.3) 32 (14.7) 25 (11.5)
 5 % cut-off value
  Negative 191 (87.6) 186 (85.3) 194 (89.0)
  Positive 27 (12.4) 32 (14.7) 24 (11.0)
 10 % cut-off value
  Negative 196 (89.9) 194 (89.0) 203 (93.1)
  Positive 22 (10.1) 24 (11.0) 15 (6.9)
50 % cut-off value
  Negative 214 (98.2) 213 (97.7) 217 (99.5)
  Positive 4 (1.8) 5 (2.3) 1 (0.5)
Immune cell compartment
  Negative 138 (63.3) 136 (62.4) 176 (80.7)
  Low positive 59 (27.1) 55 (25.2) 40 (18.3)
  High positive 21 (9.6) 27 (12.4) 2 (0.9)