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Table 3 Characteristics of 5 included studies

From: Predicting the outcome of plantar heel pain in adults: a systematic review of prognostic factors

Study

Participants

Treatment

Outcomes to be predicted

Analysis

Study and design

Ss and events

Demographics (age, BMI, gender f:m)

Prescribed Treatments

Permitted Treatment

Positive Outcome criteria

Follow-up length

Modelling method

Factors (n)

Prognostic factors identified

Hansen, 2018

Cohort study

174

80

Age: 26—88 years, BMI: 17.8—43.3 kg/m2 Sex: 91 (52%): 83 (48%)

93% US-guided injections

Various physiotherapy modalities

Scored > 0 on the NRS in either rest, during walking, during running, or on pressure

5 to 15 years

Multiple Cox regression analysis

9

1. Gender

2. Bilateral heel pain

Wu, 2019, Clinical Prediction Rule

75

49

Age: 48.4 ± 14.5 years, BMI: 23.8 ± 3.7 kg/m2 Sex: 57 (77%):17 (23%)

Customized foot orthosis

Not allowed

(1) Reducing the pain intensity > 2 points or 50%, (2) Decreasing the FFI score > 7 points or PSFS score > 50% (3) Improving GROC scale of + 4

6 months

Multiple logistic regression

63

1. Change in pain after taping,

2. Range of ankle PF > 54°,

3. Unbalanced strength of ankle PF,

4. Range of hip IR < 39°,

5. Range of hip ER > 45°

Wu, 2018, Clinical Prediction Rule

74

28

Age: 48.4 ± 14.5 years, BMI: 23.8 ± 3.7 kg/m2 Sex: 58 (77%): 17 (23%)

Anti-pronation taping

Not Reported

(1) Reducing the pain intensity > 2 points or 50%, (2) Decreasing the FFI > 7 points or PSFS score > 50% (3) Improving GROC scale of + 4

1 week

Multiple logistic regression

79

1. FFI score less than 33.3, 2. Unbalanced hip adduction angle, 3. Unbalanced ankle PF and hip abductors, 4. Unbalanced on ankle invertors, 5. > 2 painful sites in lower extremity regions

Yin, 2017, Clinical Trial

278

186

Age: 55 ± 13.3 years, BMI:107(38.5%) < 26 kg/m2, 147 (52.9%) 26–30 kg/m2 24 (8.6%) > 30 kg/m2 Sex: 136(49%):142(51%)

ESWT

Not Reported

Reducing the pain intensity > 2 points or 50%,

3 months

Multiple stepwise logistic regression

10

1. VAS,

2. Heel spurs

3. Oedema

Yin, 2019, Clinical Trial

210 140

Age: 54.1 ± 13.6 years, BMI: 76(36.2%) < 26 kg/m2, 112 (53.3%) 26–30 kg/m2 22 (10.5%) > 30 kg/m2, Sex: 98 (47%):112(53%)

ESWT

Not Reported

Reducing the pain intensity > 2 points or 60%

6 months

Artificial neural networks

10

1. VAS,

2. Heel spurs

3. Duration of symptom

  1. Key: Ss total sample size, f female, m male, n number, NRS Numerical rating scale, BMI Body Mass Index, kg kilogram, m2 meter square, ESWT Extracorporeal shockwave therapy, VAS Visual Analog Scale, FFI Foot Function Index, GROC Global Rating of Change, PSFS Patient Specific functional scale, PF Plantar Flexion, IR Internal Rotation, ER External Rotation