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Table 1 Relationship between clinicopathological factors and PNI

From: Impact of prognostic nutritional index on long-term outcomes in patients with breast cancer

Variables   n (%) PNI, mean ± SD P value
Age (year) 65 102 (48) 53.1 ± 4.1 <0.001
  >65 110 (52) 50.8 ± 5.2  
Histology Ductal 191 (90) 51.9 ± 4.7 0.291
  Lobular 9 (4) 49.2 ± 5.0  
  Special 12 (6) 53.4 ± 6.2  
Tumor size (cm) 2 145 (68) 52.3 ± 4.8 0.166
  >2, 5 61 (29) 50.9 ± 5.0  
  >5 6 (3) 51.7 ± 4.0  
Nodal metastasis 0 168 (79) 52.0 ± 5.0 0.240
  1–3 28 (13) 52.0 ± 4.4  
  >3 16 (8) 50.1 ± 3.7  
Stage 0/I 135 (64) 52.3 ± 4.8 0.124
  II 58 (27) 51.5 ± 4.9  
  III 19 (9) 50.5 ± 4.5  
Estrogen receptor status Positive 168 (79) 51.8 ± 5.0 0.682
  Negative 44 (21) 52.3 ± 4.4  
Progesterone receptor status Positive 145 (68) 51.8 ± 5.0 0.879
  Negative 67 (32) 52.1 ± 4.6  
HER2 status Positive 39 (18) 51.0 ± 4.8 0.152
  Negative 173 (82) 52.1 ± 4.8  
CEA (ng/ml) <5 164 (77) 51.9 ± 4.6 0.953
  ≥5 48 (23) 51.9 ± 5.5  
CA 15-3 (U/ml) <23 199 (94) 52.0 ± 4.8 0.327
  ≥23 13 (6) 50.4 ± 5.1  
  1. PNI prognostic nutritional index, ER estrogen receptor, PR progesterone receptor, HER-2 human epidermal growth factor receptor 2