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Table 1 Descriptive characteristics of trials included in the review

From: Corticosteroid injection for plantar heel pain: a systematic review and meta-analysis

Trial

Intervention

Comparator

Cointerventions

Participants per group

Female participants (%)

Mean age (years)

Mean BMI (kg/m2)

Duration of symptoms (weeks)a

Trial duration (weeks)

Trial setting

Intervention

Comparator

Abdihakin (2012) [20]

Corticosteroid injection

Placebo injection

i) Oral anti-inflammatory drugs three times daily;

ii) stretches;

iii) foot orthoses;

iv) heel splints;

v) shoe recommendations

44

38

52

42.9

31.7

NR

12

Outpatient clinic

Acosta-Olivo (2017) [21]

Corticosteroid injection

Platelet-rich plasma injection

Plantar fascia stretches

14

14

80

44.8

NR

>  12 weeks

16

Outpatient clinic

Afsar (2015) [22]

Corticosteroid injection

Autologous blood injection

None

62

61

57

31.8

NR

>  12 weeks

24

Outpatient clinic

Babaei-Ghazani (2019) [23]

Corticosteroid injection

Ozone injection

Plantar fascia and calf stretches

15

15

90

46.3

29.0

>  8 weeks

12

Outpatient clinic

Ball (2012) [24]

Corticosteroid injection

Placebo injection

Permitted to use analgesia if required

22

19

56

49.4

31.6

>  8 weeks

12

Rheumatology service

Celik (2015) [25]

Corticosteroid injection

Physical therapy

None

21

22

65

45.5

30.0

NR

52

Hospital

Crawford (1999) [26]

Corticosteroid injection

Local anaesthetic injection

NR

27

27

65

57.0

NR

NR

26

Hospital

Corticosteroid injection + tibial nerve block

Local anaesthetic injection + tibial nerve block

 

26

26

      

Diaz-Llopis (2012) [27]

Corticosteroid injection

Botulinum toxin-A injection

Plantar fascia and calf stretches

28

28

66

53.9

NR

>  26 weeks

4

Hospital

Elizondo-Rodriguez (2013) [28]

Corticosteroid injection

Botulinum toxin-A injection

Plantar fascia stretches

17

17

55

43.0

NR

>  12 weeks

26

Hospital

Eslamian (2016) [29]

Corticosteroid injection

Extracorporeal shockwave therapy

i) Foot orthoses and heel pads;

ii) plantar fascia and calf stretches

20

20

82

42.1

NR

>  8 weeks

8

Hospital

Guevara Serna (2017) [30]

Corticosteroid injection

Extracorporeal shockwave therapy

NR

24

36

67

51.0

NR

>  12 weeks

52

Hospital

Guner (2013) [31]

Corticosteroid injection

Tenoxicam injection

A stretching and strengthening program

30

31

77

41.4

29.5

>  12 weeks

52

NR

Hanselman (2015) [32]

Corticosteroid injection

Cryopreserved human amniotic membrane

Plantar fascia and calf stretches

14

9

70

51.0

NR

>  12 weeks

18

NR

Hocaoglu (2017) [33]

Corticosteroid injection

Extracorporeal shockwave therapy

NR

36

36

87

49.0

28.7

>  26 weeks

26

Outpatient clinic

Hou (2018) [34]

Corticosteroid injection

Extracorporeal shockwave therapy

NR

39

38

35

41.5

25.4

>  12 weeks

26

Hospital

Jain (2015) [35]

Corticosteroid injection

Platelet-rich plasma injection

i) Eccentric stretches;

ii) foot orthoses

22

24

65

55.6

NR

>  52 weeks

52

Hospital

Jain (2018) [36]

Corticosteroid injection

Platelet-rich plasma injection

Plantar fascia and calf stretches

40

40

42

38.3

24.1

>  12 weeks

26

Hospital

Johannsen (2019) [37]

Corticosteroid injection

Physical therapy

NR

31

30

58

45.0

26.2

>  12 weeks

104

University

 

Corticosteroid injection + physical therapy

  

29

      

Karimzadeh (2017) [38]

Corticosteroid injection

Control group

Plantar fascia stretches

12

12

67

47.5

NR

>  8 weeks

12

NR

 

Autologous blood injection

  

12

      

Kiter (2006) [39]

Corticosteroid injection

Autologous blood injection

NR

14

15

69

50.7

NR

>  26 weeks

26

University

Kriss (2003) [40]

Corticosteroid injection

Foot orthoses

NR

22

26

60

59.3

NR

NR

26

NR

 

Corticosteroid injection + foot orthoses

  

31

      

Lai (2018) [41]

Corticosteroid injection

Extracorporeal shockwave therapy

Acetaminophen as required

50

47

56

53.5

NR

>  4 weeks

12

Hospital

Lee (2007) [42]

Corticosteroid injection

Autologous blood injection

Plantar fascia and calf stretches

31

30

93

48.7

26.1

>  6 weeks

26

Outpatient clinic

Li (2014) [43]

Corticosteroid injection

Miniscalpel needle

Participants were permitted to continue with any conservative treatment

30

31

72

55.8

NR

>  26 weeks

52

Hospital

Mahindra (2016) [44]

Corticosteroid injection

Placebo injection

Plantar fascia and calf stretches

25

25

58

33.4

NR

>  12 weeks

12

NR

 

Platelet-rich plasma injection

  

25

      

Mardani-Kivi (2015) [45]

Corticosteroid injection

Extracorporeal shockwave therapy

None

41

40

84

44.3

29.6

<  6 weeks

12

University

McMillan (2012) [46]

Corticosteroid injection

Placebo injection

Plantar fascia stretches

41

41

48

52.6

31.1

>  8 weeks

12

University

Monto (2014) [47]

Corticosteroid injection

Platelet-rich plasma injection

i) CAM walker for two weeks;

ii) Swedish heel drop program;

iii) plantar fascia and calf stretches

20

20

57

55.0

29.2

>  16 weeks

104

NR

Mulherin (2009) [48]

Corticosteroid injection

Tibial nerve block

 

14

12

60

55 (median)

NR

NR

26

Community medical centre

 

Corticosteroid injection + tibial nerve block

  

19

      

Omar (2012) [49]

Corticosteroid injection

Platelet-rich plasma injection

NR

15

15

100

43.5

NR

NR

6

Hospital

Porter (2005) [50]

Corticosteroid injection

Extracorporeal shockwave therapy

Plantar fascia and calf stretches

64

61

66

39.2

NR

>  6 weeks

52

Hospital

Rastegar (2018) [51]

Corticosteroid injection

Dry-needling

NR

34

32

58

40.9

NR

>  12 weeks

52

University

Ryan (2014) [52]

Corticosteroid injection

Physical therapy

Calf stretches

28

28

57

49.3

25.2

>  52 weeks

12

University

Saber (2012) [53]

Corticosteroid injection

Extracorporeal shockwave therapy

NR

30

30

55

34.2

29.0

>  26 weeks

12

Outpatient clinic

Serbest (2013) [54]

Corticosteroid injection

Extracorporeal shockwave therapy

NR

15

15

53

45.2

30.5

>  6 weeks

12

Sports medicine clinic

Shetty (2019) [55]

Corticosteroid injection

Placebo injection

i) Oral enterocoxib and paracetamol for 5 days;

ii) plantar fascia stretches;

iii) eccentric calf strengthening

30

30

54

44.6

NR

>  12 weeks

78

Hospital

 

Platelet-rich plasma injection

  

30

      

Sorrentino (2008) [56]

Corticosteroid injection in participants with perifascial oedema

Extracorporeal shockwave therapy

NR

16

15

56

NR

27.9

>  8 weeks

6

University

Corticosteroid injection in participants without perifascial oedema

Extracorporeal shockwave therapy

 

15

16

      

Tiwari (2013) [57]

Corticosteroid injection

Platelet-rich plasma injection

NR

30

30

NR

NR

NR

NR

26

Hospital

Ugurlar (2018) [58]

Corticosteroid injection

Platelet-rich plasma injection

Acetaminophen for 3 days

40

39

50

38.8

26.9

>  52 weeks

156

Hospital

Extracorporeal shockwave therapy

Prolotherapy

 

39

40

      

Uygur (2018) [59]

Corticosteroid injection

Dry-needling

NR

47

49

66

49.6

NR

>  12 weeks

26

Hospital

Vahdatpour (2016) [60]

Corticosteroid injection

Platelet-rich plasma injection

Plantar fascia and calf stretches

16

16

72

46.2

29.6

>  12 weeks

26

Hospital

Whittaker (2019) [61]

Corticosteroid injection

Foot orthoses

Plantar fascia and calf stretches

50

53

61

43.9

30.4

>  4 weeks

12

University

Yesiltas (2015) [62]

Corticosteroid injection

Autologous blood injection

NR

21

28

57

45.5

30.4

NR

26

Hospital

Yucel (2010) [63]

Corticosteroid injection

Extracorporeal shockwave therapy

None permitted other than heel cups

33

27

70

43.9

NR

>  26 weeks

12

NR

Yucel (2013) [64]

Corticosteroid injection

Foot orthoses

Analgesia if required

20

20

80

46.4

30.1

>  12 weeks

4

University

Yuzer (2006) [65]

Corticosteroid injection

Laser therapy

NR

30

24

85

50.5

32.3

>  4 weeks

26

NR

Zamani (2014) [66]

Corticosteroid injection

Laser therapy

NR

20

20

57

52.5

NR

>  6 weeks

6

Rheumatology clinic

  1. Abbreviations: NR Not reported, BMI Body mass index
  2. aThe minimum duration of symptoms that was specified in the inclusion criteria for the trial