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Table 1 Basic characteristics of the publications selected for meta-analysis

From: The perioperative outcomes of uniport versus two-port and three-port video-assisted thoracoscopic surgery in lung cancer: a systematic review and meta-analysis

Study

Year

Country

Surgery

Trial type

No. of patients

Quality score

 

One-port VATS

Two-port VATS

Three-port VATS

Li C

2013

China

Lobectomy

Retrospective

87

 

75

6

Zhu Y

2015

China

Lobectomy

Retrospective

33

 

49

6

Hirai K

2015

Japan

Lobectomy

Retrospective

60

 

20

6

Mu JW

2015

China

Lobectomy + Segmentectomy + Wedge

Prospective

58

 

347

8

Shen YX

2015

China

Lobectomy

Retrospective

115

 

296

8

Chang JM

2016

Taiwan

Lobectomy + Segmentectomy

Retrospective

45

76

 

6

Hao ZP

2016

China

Lobectomy/Bilobectomy + Pneumonectomy

Retrospective

115

 

101

6

Dai FQ

2016

China

Lobectomy

Retrospective

77

66

 

8

Ke HG

2017

China

Lobectomy

Retrospective

65

 

97

8

Wang LL

2017

China

Lobectomy

Retrospective

73

86

98

6

Heo W

2017

Korea

Lobectomy

Retrospective

37

 

67

8

Song KS

2017

Korea

Lobectomy

Retrospective

26

 

47

8

Han KN

2017

Korea

Lobectomy/Bilobectomy + Segmentectomy

Retrospective

203

68

168

6

Liu CC

2018

Taiwan

Lobectomy + Segmentectomy + Wedge

Retrospective

150

 

382

8

Li C

2018

China

Lobectomy

Retrospective

131

 

101

6

Wang GX

2018

China

Lobectomy

Retrospective

153

 

113

6