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Table 1 Clinicopathological characteristics of patients

From: Elaboration of a nomogram to predict nonsentinel node status in breast cancer patients with positive sentinel node, intraoperatively assessed with one step nucleic amplification: Retrospective and validation phase

Characteristics N of patients Percent
Histology
 IDL 1278 85.5
 ILC 184 12.3
 Other 33 2.2
Grading
 G1 129 8.6
 G2 827 55.4
 G3 490 32.8
 Unk 49 3.2
ER
 Pos 1297 86.7
 Neg 147 9.8
 Unk 51 3.4
PgR
 Pos 1174 78.5
 Neg 268 17.9
 Unk 53 3.5
HER2
 Pos 147 9.8
 Neg 927 62.0
 Unk 421 28.2
Ki67
 Low 876 58.6
 High 515 34.4
 Unk 104 7.0
T
  ≤ 12 398 26.6
  ≥ 13–18 364 24.3
  ≥ 19–25 400 26.8
  > 25 333 22.3
Type
 Multiple 364 24.3
 Single 1131 75.7
Molecular subtype
 Luminal A 452 30.2
 Luminal B 628 42.0
 HER2-like 50 3.3
 Triple Negative 58 3.9
 Unk 307 20.5