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. 2017 Sep 14;3:117. doi: 10.21037/jovs.2017.08.05

Table 1. Demographics.

Variables Traditional VATS (n=35) Uniportal VATS (n=49) P value
Male 56% 44% 0.251
Age (mean ± SD) (years) 64.0±8.9 67.0±8.1 0.082
Thoracostomy duration (hours)* 41.5 (23.0, 67.5) 28.0 (24.0, 58.0) 0.691
Length of stay (days)* 3.00 (3.00, 4.25) 3.00 (2.00, 4.00) 0.110
Diagnosis
   Adenocarcinoma 21 (60%) 30 (61.2%)
   Squamous cell carcinoma 8 (22.9%) 7 (14.3%)
   Neuroendocrine tumors 4 (11.4%) 7 (14.3%)
   Benign disease 1 (2.9%) 3 (6.1%)
   Metastases 1 (2.9%) 2 (4.1%)
Tumor size (mean ± SD) (cm) 2.67±1.40 2.17±1.40 0.100
Pathologic stage
   1a 20 (57%) 34 (69%)
   1b 10 (29%) 11 (22%)
   2a 5 (14%) 1 (2%)
   2b 0% 1 (2%)
   3a 0% 2 (4%)
Complications
   Atrial fibrillation 2 (5.7%) 5 (10.2%) 0.431
   Need for thoracostomy >48 h 2 (5.7%) 3 (6.1%) 0.657
   Inpatient mortality 0% 0% 1.000
   Unplanned reoperation 0% 0% 1.000

*, data were expressed as median (interquartile range). VATS, video-assisted thoracoscopic surgery; SD, standard deviation.