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Table1 The basic characteristics of included literature

From: Meta-analysis of the clinical efficacy of laparoscopic appendectomy in the treatment of acute appendicitis

Study

Year

Sample time (year.month)

Cases LA/

OA

Age (years)

Sex (male/female)

Study design

Outcome measures

LA group

OA group

LA group

OA group

Xu Huadong

2021

2019.05–2020.10

41/41

54.37 ± 2.56

53.25 ± 2.54

27/14

28/13

RCT

Yuan Bo

2019

2005.01–2015.12

422/109

40.5 ± 16.1

41.3 ± 15.5

272/150

70/39

Retrospective

Yi Zhengguo

2021

2016.01–2019.01

40/40

46.64 ± 5.47

46.52 ± 5.39

27/13

28/12

RCT

Yang Yuetao

2014

2011.06–2013.06

36/36

50.6 ± 7.4

50.6 ± 7.4

22/14

23/13

RCT

Gong Wei

2018

2011.01–2015.12

57/45

9.39 ± 2.90

9.24 ± 2.43

33/24

26/19

Retrospective

Shen Zhenghai

2016

2010.09–2015.09

115/138

39.9 ± 14.96

38.03 ± 15.62

70/45

79/59

Retrospective

Li Yongchao

2014

2010.01–2011.02

35/42

41.3 ± 17.3

44.8 ± 16.5

17/18

20/22

Retrospective

Liu Wenbin

2020

2017.01–2019.12

28/28

36.64 ± 3.71

36.58 ± 3.65

16/12

15/13

RCT

Le Hao

2020

2016.09–2018.12

43/43

43.15 ± 4.78

43.10 ± 4.83

21/22

20/23

RCT

Wu Ji

2014

2010.03–2013.12

62/54

36.5 ± 5.82

36.8 ± 6.26

31/31

27/27

RCT

TomoyaTakami

2020

2011.01–2017.12

90/89

50.13 ± 25.84

50.17 ± 22.77

62/28

56/33

Retrospective

VincenzoMinutolo

2014

2008.05–2012.05

139/91

12–73

12–48

62/77

43/48

Retrospective

SaeedKargar

2011

2008.04–2009.04

50/50

26.94 ± 9.51

25.36 ± 8.92

23/27

28/22

RCT

Ching-ChungTsai

2012

2000.01–2004.11

20/32

9.6 ± 3.6

9.4 ± 3.3

12/8

21/11

Retrospective

AliKocataş

2013

NP

50/46

27.4 ± 18.5

28.2 ± 21.2

27/23

42/4

RCT

TatyanCLArke

2011

1997.01–2001.12

23/14

19–60

18–50

15/8

9/5

RCT

 
  1. LA: laparoscopic appendectomy; OA: open appendectomy; RCT: randomized controlled trial; NR: Not reported; : Adverse effects rate; : White blood cell count after treatment; : Neutrophil count after treatment;: C-reactive protein after treatment; : Operation time; : Intraoperative blood loss volume; : Gastrointestinal function recovery time; : Hospital stay. OA, open appendectomy; LA, laparoscopic appendectomy