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Table 2 Tumor characteristics and operative details

From: Sleeve lobectomy by video-assisted thoracic surgery versus thoracotomy for non-small cell lung cancer

Variable Thoracotomy VATS p Value
Tumor size (cm) 3.6 ± 1.2 2.7 ± 0.9 0.02
Total lymph nodes 22.0 ± 8.3 25.7 ± 6.5 0.20
Total lymph node stations 6.8 ± 1.4 6.4 ± 0.7 0.43
Histologic Type    0.55
Squamous cell carcinoma 33 (80.5 %) 8 (80.0 %)  
Adenocarcinoma 7 (17.1 %) 1 (10.0 %)  
Othera 1 (2.4 %) 1 (10.0 %)  
Pathologic stage    0.36
I 18 (43.9 %) 6 (60.0 %)  
II 10 (24.4 %) 2 (20.0 %)  
IIIa 13 (31.7 %) 2 (20.0 %)  
Type of lung resection    0.31
Right side 30 (73.2 %) 7 (70.0 %)  
Left side 11 (26.8 %) 3 (30.0 %)  
Upper lobe 24 (58.5 %) 6 (60.0 %)  
Middle lobe 1 (2.4 %) 1 (10.0 %)  
Lower lobe 8 (19.5 %) 3 (30.0 %)  
Upper and middle lobe 2 (4.9 %) 0  
Lower and middle lobe 6 (14.6 %) 0  
Operating time (min) 166 ± 40 226 ± 37 <0.001
Estimated blood loss (mL) 318 ± 198 406 ± 200 0.22
Intensive care unit (hours) 20.3 ± 1.7 19.1 ± 1.6 0.06
Chest tube drainage (mL) 2229 ± 1508 2247 ± 990 0.97
Chest tube duration (days) 8.6 ± 5.1 7.5 ± 1.7 0.50
Postoperative hospital stay (days) 16.1 ± 4.9 11.6 ± 2.8 0.009
  1. aOther results included carcinoid, or neuroendocrine carcinoma