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Table 2 Demographic Data

From: Elastography in the assessment of the Achilles tendon: a systematic review of measurement properties

Measurement instrument

Authors & year

Participants Characteristics

Gender (Male: Female)

Age range Mean ± SD (years)

Study population

Physical activity level

Strain elastography

Drakonaki et al., 2009 [33]

13 M:12F

range 20–52 38.8 ± 5.0

Healthy tendon

NR

Ooi et al., 2015 [27]

90 M:30F

44.9 ± 13.6

Healthy tendon

occasional recreational sports

45.2 ± 13.1

Achilles tendinopathy

occasional recreational sports

Yamamoto et al., 2016 [34]

16 M:9F

range 21–38 28.0

Healthy tendon

< 1 day per week

Schneebeli et al., 2016 [35]

10 M:14F

28.8 ± 8.8

Healthy tendon

NR

Payne et al., 2017 [32]

4 M:4F

25.5 ± 2.5

Healthy tendon

normal daily walking

Schneebeli et al., 2019 [36]

18 M:19 F

27.1 ± 7.0

Healthy tendon

not controlled

Schneebeli et al., 2021 [37]

12 M:8F

28.9 ± 4.16

Healthy tendon

NR

Shear wave elastography—velocity

Aubry et al., 2013 [38]

37 M:43F

range 20–83 45.4

Healthy tendon

37 not active, 43 > 1 h per week

DeWall et al., 2014 [39]

5 M:5F

26.7 ± 4.1

Healthy tendon

NR

Aubry et al. 2015 [28]

68 M:12F

range 31–57

Healthy tendon

NR

19 M:6F

range 46–63

Achilles tendinopathy

NR

Dirrichs et al., 2016 [29]

26 M:15F

42 ± 13.4

Healthy tendon & Achilles tendinopathy

NR

Fu et al., 2016 [40]

165 M:161F

range 19–88 48.8 ± 17.1

Healthy tendon

NR

Payne et al., 2017 [32]

7 M:7F

26.5 ± 3.8

Healthy tendon

normal daily walking

Coombes et al., 2018 [30]

11 M:17F

38.3 ± 16.7

Healthy tendon

physically active

13 M:9F

47.5 ± 11.4

Achilles tendinopathy

Shear wave elastography—modulus

Helfenstein-Didier et al., 2016 [41]

12 M:0F

23.2 ± 3.3

Healthy tendon

NR

Lima et al., 2017 [42]

24 M:0F

28.0 ± 2.0

Healthy tendon

various levels but consistent during testing

Zhou et al., 2019 [43]

14 M:6F

22.5 ± 3.0

Healthy tendon

normal daily walking

Gatz et al., 2021 [31]

18 M:19F

range 21–69 37.0 ± 14.0

Healthy tendon

3.2 ± 2.4 h active per week

16 M:22F

range 22–75 46.0 ± 14.0

Achilles tendinopathy

2.3 ± 2.7 h active per week

cSWE

Suydam et al., 2015 [44]

29—gender NR

29.0 ± 9.5

Healthy tendon

NR

Corrigan et al., 2019 [45]

11 M:9F

29.0 ± 4

Healthy tendon

NR

3D SWE

Götschi et al., 2021 [46]

6 M:4F

28.1 ± 3.0

Healthy tendon

physically active > 30 min of moderate activity per week

  1. M Male, F Female, NR Not reported