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Table 2 Comparison of clinical outcomes between STER and ESE

From: Comparison of different endoscopic resection techniques for submucosal tumors originating from muscularis propria at the esophagogastric junction

Clinical outcomes STER ESE P value
Number of lesions 44 50  
Complete resection (%) 100 92 <  0.05
Mean procedure time, min (range) 104.9000 ± 49.59105 (37.00–185.00) 69.4000 ± 39.68344 (29.00–160.00) <  0.05
Histology diagnosis (%)
 Leiomyoma 31 (70.45) 34 (68.00)  
  Spindle cell type tumors (Immunohistochemical staining showed leiomyoma) 3 (6.82) 0  
 GIST 10 (22.72) 14 (28.00)  
  Very low malignant 4 (9.09) 0  
  Low malignant 6 (13.64) 8 (16.00)  
  Intermediate malignant 0 6 (12.00)  
 Schwannoma 2 (4.54) 2 (4.00)  
 Lipoma 1 (2.27) 0  
Complications (%) 22 8 < 0.05
 Subcutaneous emphysema 12 (54.55) 2 (25.00)  
 Mediastinal emphysema 0 0  
 Pneumothorax 6 (27.27) 2 (25.00)  
 Pneumoperitoneum 2 (9.09) 0  
 Hemorrhage 0 2 (25.00)  
 Perforation 0 0  
 Nasal bleeding 2 (9.09) 0  
 Delayed bleeding 0 0  
 Fever 0 2 (25.00)  
Median follow-up period, month (range) 17.5250 ± 14.3169 (6.00–48.00) 11.9600 ± 6.5371 (3.00–24.00)  
Tumor recurrence 0 0 NSa
  1. GIST gastrointestinal stromal tumor, ESE endoscopic submucosal excavation, STER submucosal tunneling endoscopic resection; aNo Significance