Table 2 Study characteristics

Plinsinga et al. [19]

Australia

Case–control

EQ-5D, hospital anxiety and depression scale, TSK

75

AT: 45.7, Control: 41

AT: M: 17, F: 13, Control: M: 6, F:5

Moderate

9

Ceravolo et al. [20]

Australia

Exploratory study

AQoL-8D

92

M: 49, F:43

Moderate

8

Turner et al. [21]

Australia

Qualitative, interpretive description design

Semi-structured telephone interviews VISA-A

15

45.2

M:8, F:7

Eight months

Moderate

7

Nørregaard et al. [22]

Denmark

Modification KOOS

53

42

28.5 months

High

11

Petersen et al. [23]

Germany

Prospective Randomised Study

SF-36

100

42.5

M:60, F:40

7.4 months

High

11

Knobloch et al. [24]

Germany

Cohort Study

FAOS

86

M:38, F:25

7 months

High

10

Dedes et al. [25]

Greece

Cross-sectional

UoP-PFQ

130

M:60, F:70

High

11

Mc Auliffe et al. [26]

Ireland

Qualitative interpretive description design

Semi-structured telephone interviews, VISA-A

8

40

M:6, F: 2

20.5 months

Moderate

9

Opdam et al. [27]

Nether-lands

Retrospective

FAOS

59

50

M:18, F:27

45 months

High

11

Sleeswijk et al. [2]

Nether-lands

Cross-sectional

EQ-5D

80

50

M:39, F:41

15.7 months

High

11

Chester et al. [28]

Norwich

Pilot Study

VISA-A, EQ-5D

16

53.5

M: 11,

F: 5

19 months

High

11

Roos et al. [29]

Sweden

Randomised study

FAOS

44

46

M:21, F:23

5.5 months

High

10

Alfredson et al. [30]

Sweden

Pilot study

SF-36

24

M:45, F:50

M:13, F:11

18 months

Moderate 8

Deans et al. [31]

UK

Prospective case series

FAOS

26

45.77

M:10, F:16

High

10

Maffulli et al. [32]

UK

Cross-sectional

VISA-A, EQ-5D

82

53.18

M:52, F:30

High

11

Kearney et al. [33]

UK

Multicenter randomised study

VISA-A, EQ-5D

240

52

M:102;

F:138

High

10

Mallows et al. [34]

UK

Qualitative interpretive description design

Semi-structured interviews

10

49.2

M:6, F:4

12.9 months

High

11

Lewis et al. [35]

UK

Prospective comparative observational study

VISA-A, EQ-5D

320

52.1

M:125,

F:195

High

11

Martin et al. [36]

US

Cross-sectional

SF-36

44

58.2

M: 18, F:26

24 months

Moderate

8

Chimenti et al. [37]

USA

Retrospective

SF-36

34

52.2

18 months

High

11

Corrigan et al. [38]

USA

Cross-sectional

VISA-A

TSK

53

54.5

M:35, F:18

7 months

High

10

Phen et al. [39]

USA

Retrospective

SF-36

37

 < 60: 49.1, > 60: 66.8

 < 60: M:5, F:16, > 60: M:2, F:15

High

11

Chimeti et al. [40]

USA, Australia, Germany, India, New Zeland, UK

Cross-sectional

TSK-11

442

36.3

M:191, F:251

High

10