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Table 1 Baseline characteristics

From: A comparison of bronchial blocker under artificial pneumothorax and double-lumen endobronchial tube for lung isolation in thoracoscopic enucleation of oesophageal leiomyoma

Variables Total (N = 36) SLT-B group (N = 15) DLT group (N = 21) P value*
Age (years) 43.7 ± 10.6 45.2 ± 8.9 42.6 ± 11.7 0.469
Sex     0.681
 Male 23 (63.9%) 9 14  
 Female 13 (36.1%) 6 7  
Tumour location     0.803
 Upper 8 (22.2%) 4 4  
 Middle 19 (52.8%) 7 12  
 Lower 9 (25%) 4 5  
Presenting symptoms     0.923
 Asymptomatic 20 (55.6%) 8 12  
 Dysphagia 10 (27.8%) 5 5  
 Regurgitation 3 (8.3%) 1 2  
 Chest discomfort 3 (8.3%) 1 2  
Time to surgery (months) 2 (2, 7.5) 2 (2, 3) 3 (1.5, 9.5) 0.334
Tumour size (cm)
 All patients 4.3 ± 2.0 5.4 ± 2.1 3.5 ± 1.4 0.004
 Patients without symptoms 3.7 ± 1.7    0.035**
 Patients with symptoms 5.1 ± 2.0    
  1. *Comparison between the SLT-B group and DLT group, **comparison between patients without symptoms and patients with symptoms