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Table 2 Univariate analysis of prognostic factors for OS

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

Variables   5-year survival (%) P value
Age (year) 65
>65
100
88.4
<0.001
Histological type Ductal
Lobular/Special
94.8
93.8
0.174
Tumor size (cm) ≤2
>2
95.9
91.7
0.005
Lymph node metastasis Negative
Positive
95.7
90.4
0.001
Estrogen receptor status Negative
Positive
94.3
94.8
0.827
Progesterone receptor status Negative
Positive
92.5
95.9
0.619
HER2 status Negative
Positive
95.3
90.8
0.967
CEA (ng/ml) <5
≥5
93.7
97.7
0.152
CA15-3 (U/ml) <23
≥23
94.9
88.9
0.101
PNI >52.8
52.8
98.3
92.0
0.019
  1. OS overall survival, ER estrogen receptor, PR progesterone receptor, HER-2 human epidermal growth factor receptor 2, CEA carcinoembryonic antigen, CA 15-3 carbohydrate antigen 15-3, PNI prognostic nutritional index