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Table 1 General information of included studies

From: Computer-assisted cannulated screw internal fixation versus conventional cannulated screw internal fixation for femoral neck fractures: a systematic review and meta-analysis

Study

Year

Study design

Number

Age (years)

Male/female

 

Follow-up (months)

Computer-assisted equipment

   

Test group

Control group

Test group

Control group

Test group

Control group

Outcomes

Test group

Control group

 

Lei 2019[20]

2019

RCT

44

44

42.1 ± 4.7

40.6 ± 5.3

24/20

22/22

A,F,G

12–24

Ti-robot

Huang 2017[21]

2017

PCS

32

32

59.4 ± 5.6

59.1 ± 4.9

10/22

12/20

B,E,F,G,H

19.4 ± 8.9

19.8 ± 8.0

Cao 2017[22]

2017

PCS

20

36

44.7

47.9

10/10

19/17

B,C,D,E,F,G

12–18

Universal Robots

Tong 2016[23]

2016

PCS

20

18

47.5

51.5

12/8

11/7

A,B,C,D,E,H

12–24

Ge 2016[24]

2016

PCS

13

25

59.0 ± 5.5

57.5 ± 4.8

8/5

11/14

A,B,D,E,F,H,

6–12

GD-A Robot

He 2019[10]

2019

CCT

30

30

56 (39–82)

56.2(80–34)

11/19

12/18

C

12–24

Ti-robot

Duan 2019[25]

2019

PCS

26

23

61.7 ± 5.2

62.1 ± 4.1

11/15

9/14

A,B,C,D,E,G,H

12–24

Ti-robot

Liebergall, M.2006[26]

2006

CCT

20

20

63.7 ± 14.5

70.6 ± 16.9

9/11

5/15

C

38(24–42)

iON FluroNav StealthStation navigation system

Wang 2019[4]

2019

PCS

63

65

49.03 ± 8.23

49.80 ± 7.68

30/33

31/34

A,B,C,D,E,F

12–24

Ti-robot

Li 2019[27]

2019

RCT

46

46

42 ± 4.7

40.6 ± 5.3

24/22

22/24

C

18

Liu 2014[31]

2014

CCT

17

19

45.1 ± 6.9

42.1 ± 7.7

7/10

8/11

A,F,G

Liu J 2015[32]

2015

CCT

21

25

65.2 ± 4.2

60.5 ± 5.1

8/13

11/14

B,C,E,G,H

GD-2000

Wen 2015[28]

2015

PCS

13

11

54.5 ± 7.3

51.3 ± 4.9

8/5

6/5

A,B,E,F

18(12–24)

Wu 2015[33]

2015

PCS

28

29

48

54

14/14

16/13

A,F,G

GD-2000

Yin 2020[29]

2020

PCS

28

29

48 (15–79)

54(22–80)

14/14

16/13

B,E,F

12–18

Ti-robot

Gan Z 2020[30]

2020

RCT

25

25

44.6 ± 1.8

46.8 ± 1.4

12/13

10/15

A,B,E,F,G

  1. A, Operation time; B, Harris score; C, femoral head necrosis rates; CCT, retrospective comparative control trial; Control group, traditional method group; D, fracture healing rate; E, intraoperative bleeding volume; F, fluoroscopy frequency; G, total drilling times; H, fracture healing time; PCS, prospective cohort study; RCT, randomized controlled trials; Test group, computer-assisted group