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Table 4 Clinicopathological characteristics of the patients

From: SIRT1 expression is associated with lymphangiogenesis, lymphovascular invasion and prognosis in pN0 esophageal squamous cell carcinoma

Variables No. of patients
Gender  
  Male 152 (73.8%)
  Female 54 (26.2%)
Age (year)  
  <50 58 (28.2%)
  ≥50 148 (71.8%)
Weight loss (kg)  
  <2.5 116 (56.3%)
  ≥2.5 90 (43.7%)
Length of tumor (cm)  
  <3 88 (42.7%)
  3-5 96 (46.6%)
  >5 22 (10.7%)
Differentiation  
  Well 40 (19.4%)
  Moderate 118 (57.3%)
  Poor 48 (23.3%)
Tumor location  
  Upper 25 (12.1%)
  Middle 113 (54.9%)
  Lower 68 (33.0%)
T status  
  T1 33 (16.0%)
  T2 110 (53.4%)
  T3 63 (30.6%)
Stage  
  I 43 (20.9%)
  IIa 75 (36.4%)
  IIb 88 (42.7%)
SIRT1  
  Negative 111 (53.9%)
  Positive 95 (46.1%)
VEGF-C  
  Negative 99 (48.1%)
  Positive 107 (51.9%)
LVD  
  Low 123 (59.7%)
  High 83 (40.3%)
LVI  
  Negative 135 (65.6%)
  Positive 71 (34.5%)