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Table 1 Clinicopathological characteristics of the 19 patients in the training data set

From: The expression of microRNA 574-3p as a predictor of postoperative outcome in patients with esophageal squamous cell carcinoma

  Non-relapse Relapse p value
Case number 5 14  
Age (mean ± SD) 68.4 ± 10.7 61 ± 9.6 0.111
Gender
 Male 3 14 0.012
 Female 2 0  
Tumor location
 Upper/middle thoracic 1 7 0.244
 Lower thoracic 4 7  
 Histological grade    
 Well/moderate 4 13 0.421
 Poorly 1 1  
Pathologic tumor depth
 T1-2 3 3 0.111
 T3-4 2 11  
Lymph node metastasis
 N0 2 3 0.418
 N1-3 3 11  
Distant metastasis
 M0 5 14
 M1 0 0  
TNM stage (IUAC TNM Classification 7th edition)
 1–2 3 4 0.211
 3–4 2 10  
Lymphatic vessel invasion
 Negative 2 3 0.418
 Positive 3 11  
Venous invasion
 Negative 3 4 0.211
 Positive 2 10  
Curability
 R0 5 14
 R1 0 0  
 Preoperative chemotherapy 0 2
 Preoperative chemo radiation therapy (CRT) 0 1  
 Postoperative chemotherapy 0 2
 Postoperative CRT 1 5  
 Observation period (month, mean ± SD) 138.7 ± 45.1 14 ± 9.2 <0.001
 Duration between surgery and tumor relapse 10 ± 8.4
Type of tumor relapse
 Liver (H) 0 5  
 Lymph node (Ly) 0 2  
 Local (L) 0 1  
 H + Ly 0 4  
 Ly + L 0 2