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Table 1 Demographics of the included studies

From: Impact of intraoperative medial collateral ligament injury on outcomes after total knee arthroplasty: a meta-analysis and systematic review

Author

Years

Design

Sample size*

Mean age*

BMI*

Follow-up (Mon)*

Outcome Measures

Leopold [9]

2001

Retrospective study

16 (2.6%)

63

32.5

45

Revision, HSS, ROM

Koo [24]

2009

Cohort study

15/11

63.9

NR

24

Revision, KSS, KFS, ROM

Lee [8]

2011

Cohort study

37/1613

60

NR

44

Revision, Complications, KSS, KFS

Dragosloveanu [14]

2013

Retrospective study

8 (1.8%)

62.8

34

12

Revision, Complications, KSS, KFS

Siqueir [10]

2014

Cohort study

23/92

66.5/69.1

32.7/32.8

60.3/52

Revision, KSS, KFS

Shahi [22]

2014

Retrospective study

15 (0.43%)

64

38

16

Revision, KSS, Coronal alignment

Cao [13]

2016

Cohort study

11/18

64.3/63.7

26.75/26.37

15.8/19.5

Revision, KSS, KFS

Bohl [19]

2016

Retrospective study

35 (1.2%)

62

34

99

Revision, Complications, HSS, ROM

Wang [12]

2017

Cohort study

17/1732

63/60.7

34.4/34.6

51

Revision, KSS, KFS

White [30]

2018

Cohort study

33/770

63.6/63.6

32.4/30.4

31.2

Revision, Complications, KOOS, VAS

Jin [20]

2019

Cohort study

65/65

71.4/69.2

26.4/26.2

74.1/79.8

Revision, KSS, WOMAC, ROM

Motififard [28]

2020

Cohort study

35/618

68/66

NR

24

Revision, Complications, KSS, KFS, ROM

Ni [31]

2020

Retrospective study

14

63.6

27.2

15.6

Revision, HSS, ROM, Coronal alignment

Rajkumar [11]

2020

Case–control study

41/82

65.2/64.6

33.8/33.9

58.4

Revision, Complications, KSS, KFS, ROM

Sun [29]

2020

Cohort study

11/24

64.2/63.5

28.33/27.47

35.5/36

Revision, KSS, KFS

  1. *The values were given as the number with MCL injury/intact
  2. KSS, Knee Society Score; KFS, Knee Society Functional Score; ROM, range of motion; KOOS, Knee Injury and Osteoarthritis Outcome Score; WOMAC, Western Ontario and McMaster Universities Osteoarthritis Index; VAS, visual analog scale; NR, not reported