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Table 1 Main characteristics of included studies

From: Association of COL5A1 gene polymorphisms and musculoskeletal soft tissue injuries: a meta-analysis based on 21 observational studies

Author

Year

Country

Ethnicity

Gender

Study design

Diagnosis

Case

Control

HWE

VV

Vv

vv

VV

Vv

vv

Rs12722

      

TT

TC

CC

TT

TC

CC

 

Alakhdar Y

2021

Spain

Caucasian

Both

Case–control

RCTEN

11

31

7

36

47

5

0.04

Alakhdar Y

2020

Spain

Caucasian

Both

Case–control

ETEN

12

20

4

35

58

8

0.02

Altinisik J

2015

Turkey

Caucasian

Both

Cohort

TE

62

46

37

49

85

50

0.31

Brown KL

2017

UK

Caucasian

Both

Case–control

ATP

22

48

29

34

64

27

0.76

Figueiredo EA

2020

Brazil

Mixed

Both

Case–control

RCT

47

94

62

128

248

186

0.01

Haug KBF

2018

Norway

Caucasian

Both

Cohort

PTEN

9

20

4

26

49

18

0.56

Kim H

2015

South Korea

Asian

Both

Case–control

ACLI, RUP

0

15

20

0

8

31

0.48

Leźnicka K

2021

Poland

Caucasian

Both

Case–control

MI

32

12

9

31

16

14

0.01

Longo UG

2018

Italy

Caucasian

Both

Case–control

RCT

33

46

14

74

101

31

0.72

Lulińska-Kuklik E

2018

Poland

Caucasian

Male

Case–control

ACLI

45

66

23

62

107

42

0.74

Miyamoto-Mikami E

2019

Japan

Asian

Both

Cohort

MI

3

52

135

34

400

935

0.26

O'Connell K (I)

2015

South Africa

Caucasian

Both

Case–control

ACLI

72

121

31

65

114

52

0.88

O'Connell K (II)

2015

Poland

Caucasian

Both

Case–control

ACLI

32

44

15

38

75

30

0.54

Raleigh SM

2009

South Africa

Caucasian

Both

Case–control

TEN

29

34

11

25

43

30

0.24

September AV (I)

2009

Australia

Caucasian

Both

Case–control

TEN

17

58

10

74

84

50

0.01

September AV (II)

2009

South Africa

Caucasian

Both

Case–control

TEN

34

47

12

39

55

37

0.07

Sivertsen EA

2019

Norway, Finland

Caucasian

Female

Cohort

ACLI

48

55

15

256

351

124

0.85

Stepien-Slodkowska M

2015

Poland

Caucasian

Both

Case–control

ACLI

48

66

24

53

91

39

0.99

Suijkerbuijk MAM (I)

2019

South Africa

Caucasian

Both

Case–control

ACLI

20

48

25

13

47

36

0.71

Suijkerbuijk MAM (II)

2019

Sweden

Caucasian

Both

Case–control

ACLI

23

36

18

38

47

24

0.20

Zhao D

2020

China

Asian

Both

Cross-sectional

ACLI

8

37

56

6

36

68

0.67

Rs13946

      

TT

TC

CC

TT

TC

CC

 

Leźnicka K

2021

Poland

Caucasian

Both

Case–control

MI

26

20

7

28

26

7

0.80

Lulińska-Kuklik E

2018

Poland

Caucasian

Male

Case–control

ACLI

75

49

10

94

102

15

0.07

Mokone GG

2006

South Africa

Caucasian

Both

Case–control

ATP

65

41

5

75

40

14

0.03

September AV (I)

2009

Australia

Caucasian

Both

Case–control

TEN

17

58

9

116

78

50

0.01

Sivertsen EA

2019

Norway, Finland

Caucasian

Female

Cohort

ACLI

70

45

4

410

278

52

0.61

Stepien-Slodkowska M

2015

Poland

Caucasian

Both

Case–control

ACLI

69

57

12

84

88

11

0.06

Zhao D

2020

China

Asian

Both

Cross-sectional

ACLI

39

45

17

32

59

19

0.36

Rs11103544

      

TT

TC

CC

TT

TC

CC

 

Figueiredo EA

2020

Brazil

Mixed

Both

Case–control

RCT

147

52

12

182

96

14

0.77

September AV (I)

2009

Australia

Caucasian

Both

Case–control

TEN

55

24

8

140

45

6

0.32

September AV (II)

2009

South Africa

Caucasian

Both

Case–control

TEN

86

35

5

56

29

5

0.63

Rs71746744

      

II

ID

DD

II

ID

DD

 

Abrahams Y (I)

2013

South Africa

Caucasian

Both

Case–control

TEN

31

19

1

43

49

9

0.35

Abrahams Y (II)

2013

Australia

Caucasian

Both

Case–control

TEN

25

12

3

45

37

15

0.13

Brown KL

2017

UK

Caucasian

Both

Case–control

ATP

54

45

9

53

67

10

0.08

Rs3196378

      

AA

AC

CC

AA

AC

CC

 

Abrahams Y (I)

2013

South Africa

Caucasian

Both

Case–control

TEN

17

42

15

23

50

27

0.99

Abrahams Y (II)

2013

Australia

Caucasian

Both

Case–control

TEN

7

46

10

28

105

42

0.01

Brown KL

2017

UK

Caucasian

Both

Case–control

ATP

34

49

25

33

58

32

0.53

Figueiredo EA

2020

Brazil

Mixed

Both

Case–control

RCT

53

105

53

115

260

189

0.15

  1. V, variant allele; W, wild allele; HWE, Hardy–Weinberg equilibrium; ACLI, anterior cruciate ligament injury; MI, musculoskeletal injury; TE, tennis elbow; RCT, rotator cuff tears; RCTEN, rotator cuff tendinopathy; ETEN, elbow tendinopathy; ATP, Achilles tendon pathology; TEN, Achilles tendinopathy; RUP, Achilles tendon rupture; PTEN, patellar tendinopathy