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Table 1 Patient and tumor demographics in two groups

From: Efficacy comparison of transcervical video-assisted mediastinoscopic lymphadenectomy combined with left transthoracic esophagectomy versus right transthoracic esophagectomy for esophageal cancer treatment

Patient demographics Study group Control group p value
Gender    0.18
 Male 28 19  
 Female 0 2  
Age (years) 61.8 ± 5.1 60.1 ± 4.9 0.24
Comorbidity 5 6 0.37
 Arrhythmia 1 2  
 Hypertension 2 3  
 Diabetes 1 1  
Location    0.13
 Middle 13 14  
 Lower 13 4  
 Middle-lower 2 3  
Differentiation    0.22
 G1 2 2  
 G2 22 15  
 G3 2 3  
Sarcoma 4 1  
 Staging    0.53
  I 6 2  
  IIA 3 1  
  IIB 7 10  
  IIIA 7 5  
  IIIB 4 3  
  IIIC 1 0  
  1. Study group—VAMLA + left transthoracic approach; control group—right thoracic approach