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Table 1 The basic characteristics of the included studies

From: Comparison of dynamic and static spacers for the treatment of infections following total knee replacement: a systematic review and meta-analysis

Study (refs.)

Type of study

Number of participants

Age (years) (Mean ± SD)

Intervention

Quality of the literature

Outcomes

Trial

Control

Trial

Control

Trial

Control

Follow-up time(Trial) (months)

Follow-up time (Control)(months)

David 2012 [26]

Retrospective

22

14

69

68

DS

SS

20

22

6

KSSs, ROM

Mark 2007 [27]

Retrospective

48

28

67

67

DS

SS

71.2

62.2

7

ICR, KSSs, KSSf

Jessica 2021 [278]

Retrospective

6

10

64.2

64.2

DS

SS

36

84

7

ICR, KSSs, ROM, BL

Thomas 2000 [29]

Retrospective

30

25

NR

NR

DS

SS

27

36

6

ICR, KSSs, ROM, BL

Cindy 2020 [30]

RCT

25

24

65.7

64.9

DS

SS

42

42

9

ICR, KSSs, KSSf, ROM

Park 2009 [31]

Retrospective

16

20

60.2

66.5

DS

SS

29

36

8

ICR, KSSs, KSSf, ROM, BL

Hsu 2007 [32]

Retrospective

21

7

NR

NR

DS

SS

58

101

6

ICR, KSSs, KSSf, ROM

Edward 2022 [33]

Retrospective

104

72

68.6

69.4

DS

SS

120

228

5

ICR, KSSs, KSSf, ROM

Rim 2012 [34]

Retrospective

14

33

64

64

DS

SS

43

63

7

ICR, ROM

Chiang 2011 [35]

Prospective

23

22

71

72

DS

SS

40

40

7

ICR, ROM

Roger 2002 [36]

Retrospective

22

26

65.1

65.7

DS

SS

46

90

6

CEICR, ROM

Aaron 2012 [37]

Retrospective

34

81

62

61

DS

SS

27

66

8

ICR, KSSs, ROM, BL

Jamsen 2006 [38]

Retrospective

22

8

68

70

DS

SS

25.0

48.9

7

ICR, KSSs, KSSf, ROM, BL

Kong

2021 [39]

Retrospective

22

20

67.2

65.5

DS

SS

18

43

8

ICR, KSSs, KSSf, ROM, BL

  1. RCT: Randomized Controlled Trial; NR: not reported; AS: Dynamic Spacer; SS: Static Spacer; ICR: Infection Control Rate; KSSs: KSS knee score; KSSf: KSS function score; ROM: Range of motion; BL: Bone loose