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Table 1 List of all included studies

From: The race for the classification of proximal periprosthetic femoral fractures : Vancouver vs Unified Classification System (UCS) - a systematic review

Author

Year

Sample size

Top ten

Follow up (months)

Fan MQ [16]

2020

2412

no

0

Huang JF [3]

2018

402

no

216

Huang JF [20]

2016

228

no

178

Rupp M [22]

2019

75

no

96

Gunther T [23]

2020

75

no

52,9

Nagwadia H [24]

2018

43

no

16,5

Kim MB [25]

2017

19

no

16

Yeo [26]

2016

17

yes

28

Manara JR [27]

2018

28

no

26,4

Diaz-Dilernia F [28]

2019

54

yes

75

Karam J [29]

2020

172

no

96

Smitham [30]

2019

52

yes

39,6

Stevens [31]

2018

102

no

0

Gordon K [32]

2016

20

no

0

Joestl J [33]

2016

36

no

18,3

Lang NW [34]

2017

42

no

26

Thaler [35]

2019

40

yes

50

Trieb [36]

2016

34

no

43.2

Ghijselings S [37]

2018

8

no

60

Aleem IS [38]

2016

1

no

0

Bates BD [14]

2018

89

no

0

Herman A [39]

2019

379

no

68,4

Lochab JL [40]

2016

18

no

0

Li D [41]

2018

33

no

58

Sun [42]

2020

83

no

120

Wang [43]

2019

129

no

In-hospital-stay

Wang [44]

2019

34

no

102

Zhang [45]

2016

89

yes

12

Zheng [46]

2020

97

yes

24

Pavelka [47]

2017

83

no

min 36

Gromov K [48]

2017

1441

yes

23,7

Andriamananaivo T [49]

2020

50

no

3

Bonnevialle P [50]

2018

51

no

27,6

Cohen S [51]

2017

70

no

43

Ehlinger L [52]

2017

1

no

0

Gavanier B [53]

2017

45

no

20

Perrin [54]

2018

49

no

6

Bellova P [55]

2019

481

no

63

Brand S [56]

2016

2

no

0

Fink B [57]

2017

14

yes

52,2

Hoffmann MF [58]

2016

27

no

24

Hoffmann MF [59]

2016

109

no

25

Innmann M [60]

2017

163

yes

264

Klasan A [61]

2019

16

no

0

Müller M [62]

2019

8

no

34

Schreiner [63]

2020

18

no

18,50

Wähnert [64]

2020

8 pairs

yes

/

Wähnert [65]

2017

5 pairs

no

/

Zajonz [66]

2020

80

no

32 and 48

Zwingmann [67]

2016

70

no

40

Walcher [68]

2016

38

yes

/

Woo [69]

2016

1

no

26

Dozsai D [70]

2020

41

no

96

Dhason R [71]

2020

15

yes

0

Kittanakere SR [72]

2018

16

no

60

Baig MN [73]

2018

1

no

0

Cassidy JT [74]

2018

9

no

49,3

Fenelon C [75]

2019

138

yes

25

Sheridan [76]

2017

30

no

12 and 32

Angelini A [77]

2016

54

no

8,5

Bibiano L [78]

2019

7

no

50

Biggi S [79]

2018

207

no

12

Caruso G [79]

2017

73

no

41

Castelli A [80]

2018

24

no

36

Cottino U [81]

2019

3248

no

72

Giaretta S [82]

2019

64

no

23,1

Munegato D [83]

2020

25

no

29

Pavone [84]

2019

38

no

37,2

Randelli [85]

2018

19

no

73,8

Solarino [86]

2019

3

yes

178,8

Solarino [87]

2018

2

no

240

Spina [88]

2020

121

no

12

Spina [89]

2018

34

no

12

Kamo K [90]

2019

194

no

10

Kurinomaru N [91]

2019

1

no

4

Ochi [92]

2019

1

no

24

Okudera [93]

2020

51

no

/

Abarquero-Diezhandino A [94]

2020

1

no

0

Negrete-Corona [95]

2018

1

no

12

Bulatović N [96]

2017

23

no

14,5

Karabila MA [97]

2016

1

no

0

Duijnisveld BJ [98]

2020

52

no

12

van Rijn [99]

2020

1

yes

12

Legosz P [100]

2019

64

no

56,4

Lorkowski J [101]

2020

18

no

0

Kim SM [102]

2018

897

no

61,2

Kim YH [103]

2016

24

yes

44,4

Lee JM [104]

2018

37

no

25

Lee YK [105]

2017

19

yes

3,2

Min BW [106]

2020

63

no

5,9

Min BW [107]

2018

21

no

33,8

Park [108]

2018

5

no

103,2

Park [109]

2019

37

no

12

Shin [110]

2017

24

no

24

Won [111]

2020

10

no

4,4

Yoo [112]

2017

1

yes

2

Yoon [8]

2016

37

yes

44

Lizaur-Utrilla A [113]

2019

46

yes

39,6

Moreta J [114]

2018

43

no

60

Peiro [115]

2020

5

no

8,2

Valle Cruz [116]

2016

44

no

0

Chatziagorou [117]

2019

1381

yes

24

Chatziagorou G [118]

2018

1751

no

131

Chatziagorou G [119]

2019

465

no

67,2

Chatziagorou G [120]

2019

639

no

39,6

Mellner C [121]

2019

2528

no

47

Mukka S [122]

2016

979

yes

20

Baum C [123]

2019

16

no

120

Kabelitz M [124]

2018

109

no

1,5

Kraus MJ [125]

2017

1

no

43

Ladurner A [126]

2017

43

yes

40

Lenz M [127]

2016

12

no

0

Lenz M [128]

2016

12

no

0

Lenz M [129]

2020

14

no

0

Tsai [130]

2018

40

no

67,7

Yang [131]

2019

50

no

12

Sariyilmaz [132]

2016

15

no

/

Aslam-Pervez N [133]

2018

427

no

36

Chakrabarti D [134]

2019

32

no

21

El-Bakoury A [135]

2016

20

yes

44,6

Finlayson [136]

2018

189

no

108

Goudie [137]

2017

80

no

27

Johnson-Lynn Sarah [138]

2015

82

no

12

Jones AR [139]

2015

90

no

1,4

Moazen M [140]

2016

12

yes

0

Abdel MP [141]

2016

5417

yes

72

Abdel MP [4]

2016

32644

yes

96

Birch CE [142]

2017

6

no

18,6

Butler BA [143]

2019

1

no

0

Chalmers BP [144]

2018

11

yes

60

Christensen KS [145]

2019

1150

yes

3

Drew [146]

2016

188

yes

12

Gitajn IL [147]

2017

203

no

38,8

Griffiths S [148]

2019

49

yes

84

Johnson AJ [138]

2020

22

yes

0

Khan S [149]

2019

1

no

0

Lee S [150]

2019

53

yes

0

Marshall [151]

2017

/

no

/

O'Connell [152]

2018

30

no

/

Otero [153]

2020

129

yes

3,75

Parry JA [154]

2018

61

yes

54

Rodriguez [155]

2017

/

no

/

Scott [156]

2017

7

yes

21 and 21,7

Tibbo [157]

2019

/

yes

/

Waligora [158]

2017

10 pairs

yes

/