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Table 1 Clinical pathological parameters of patients with breast cancer

From: Identification and validation of stemness-related lncRNA prognostic signature for breast cancer

Feature N (539) %
Age (years)
 > 60 227 42.1
 ≤ 60 312 57.9
T classification
 T1 (< 2 cm) 147 27.3
 T2 (2-5 cm) 323 59.9
 T3 (≥ 5 cm) 55 10.2
 T4 (chest wall and/or skin invasion) 14 2.6
N classification (pN)
 N0 (no metastasis) 259 48.1
 N1 (1–3 metastasis) 178 33
 N2 (4–9 metastasis) 64 11.9
 N3 (≥ 10 metastasis) 38 7
M classification
 M0 (no distantmetastasis) 528 98
 M1 (distant metastasis) 11 2
TNM stage
 I 96 17.8
 II 318 59
 III 114 21.2
 IV 11 2
ER
 Negative 127 23.6
 Positive 412 76.4
PR
 Negative 175 32.5
 Positive 364 67.5
HER2
 Negative 440 81.6
 Positive 99 18.4
Molecular subtypes
 HER2 amplification 92 17.1
 Luminal A/B 419 77.7
 TNBC 28 5.2
  1. T tumor size, N lymph node, M distant metastasis, TNM stage according to AJCC 8th classification, TNBC triple-negative breast cancer