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Table 2 Operative and post-operative outcomes of the matched RATS and VATS groups

From: Robot versus video-assisted thoracoscopic thymectomy for large thymic epithelial tumors: a propensity-matched analysis

Variables

RATS group

VATS group

P-value

(n = 35)

(n = 35)

 

Mini-invasive laterality, n (%)

  

1.000

Right side

18 (51.43)

17 (48.57)

 

Left side

13 (37.14)

13 (37.14)

 

Sub-xyphoid

4 (11.43)

5 (14.29)

 

Operative time (min), median (IQR)

110.00 (80.00, 125.00)

130.00 (100.00, 170.00)

< 0.001

Intraoperative blood loss (ml), median (IQR)

30.00 (20.00, 50.00)

100.00 (30.00, 200.00)

< 0.001

Conversion, n (%)

0 (0)

5 (14.29)

0.054

R0 resection, n (%)

35 (100.00)

35 (100.00)

1.000

Concomitant resection, n (%)

4 (11.43)

2 (5.71)

0.673

Lung

2 (5.71)

2 (5.71)

 

Pericardium

3 (8.57)

1 (2.86)

 

Innominate vein

2 (5.71)

0 (0)

 

Phrenic nerve

1 (2.86)

1 (2.86)

 

Without chest tube, n (%)

1 (2.86)

3 (8.57)

0.614

Duration of chest tube (days), median (IQR)

3.00 (2.00, 4.00)

3.00 (2.00, 4.00)

0.587

Total drainage volume (ml), median (IQR)

575.00 (400.00, 800.00)

400.00 (240.00, 630.00)

0.013

Post-operative complications, n (%)

1 (2.86)

2 (5.71)

1.000

Myasthenia crisis

0 (0)

0 (0)

 

Pneumonia

0 (0)

1 (2.86)

 

Pneumothorax

1 (2.86)

0 (0)

 

Hemothorax

0 (0)

1 (2.86)

 

Chylothorax

0 (0)

0 (0)

 

Hospital stay (days), median (IQR)

5.00 (4.00, 7.00)

5.00 (3.00, 6.00)

0.141

30-day mortality

0 (0)

0 (0)

 
  1. Abbreviations: IQR interquartile range, RATS Robot-assisted thoracoscopic surgery, VATS Video-assisted thoracoscopic surgery