Table 10

ESWT compared with traditional conservative treatment in proximal hamstring tendinopathy summary of evidence

OutcomesComparisonsRelative effect (95% CI)Patients /studies (n)Quality of evidence (GRADE)Clinical significance
Average estimate /assumed risk in the ESWT groupAverage estimate /assumed risk in the control group
Nirschl phase rating
Follow-up: 3 months
ESWT: mean±SD was 1.8±1.0Control: mean±SD was 5.5±1.2MD −3.70
(−4.38 to 3.02)
The difference was clinically and statistically significant
40/1⊕⊕⊕
Moderate1,2
Moderate level of evidence in favour of radial ESWT compared with control conservative treatment in Nirschl phase rating scale
Follow-up: 6 monthsESWT: mean±SD was 1.8±0.7Control: mean±SD was 5.6±1.7MD −3.80
(−4.61 to 2.99)
The difference was clinically and statistically significant
40/1⊕⊕⊕
Moderate1,2
Moderate level of evidence in favour of radial ESWT compared with control conservative treatment in Nirschl phase rating scale
Follow-up: 12 monthsESWT: mean±SD was 1.0±0.6Control: mean±SD was 5.4±2.6MD −4.40
(−5.57 to 3.23)
The difference was clinically and statistically significant
40/1⊕⊕⊕
Moderate1,2
Moderate level of evidence in favour of radial ESWT compared with control conservative treatment in Nirschl phase rating scale
Self-perceived recovery
Follow-up: 6 months
ESWT: 16 of 20 (80%) participants reported satisfactory recoveryControl: 0 of 20 (0%) participants reported satisfactory recoveryOR 150.33 (7.54 to 2997.83)
The difference was statistically significant
40/1⊕⊕⊕
Moderate1,2
Moderate level of evidence in favour of radial ESWT compared with conservative management in patient-rated recovery
Follow-up: 12 monthsESWT: 16 of 20 (80%) participants reported satisfactory recoveryControl: 0 of 20 (0%) participants reported satisfactory recoveryOR 150.33 (7.54 to 2997.83)
The difference was statistically significant
40/1⊕⊕⊕
Moderate1,2
Moderate level of evidence in favour of radial ESWT compared with conservative management in patient-rated recovery
NRS score*
Follow-up: 3 months
ESWT: mean±SD was 2.1±1.9Control: mean±SD was 6.8±2.2MD −4.70
(−6.04 to 3.36)
The difference was clinically and statistically significant
40/1⊕⊕⊕
Moderate1,2
Moderate level of evidence in favour of radial ESWT compared with control conservative treatment in pain scores
Follow-up: 6 monthsESWT: mean±SD was 1.8±1.1Control: mean±SD was 7.2±2.1MD −5.40
(−6.44 to 4.36)
The difference was clinically and statistically significant
40/1⊕⊕⊕
Moderate1,2
Moderate level of evidence in favour of radial ESWT compared with control conservative treatment in pain scores
Follow-up: 12 monthsESWT: mean±SD was 1.4±0.8Control: mean±SD was 6.8±2.3MD −5.40
(−6.47 to 4.33)
The difference was clinically and statistically significant
40/1⊕⊕⊕
Moderate1,2
Moderate level of evidence in favour of radial ESWT compared with control conservative treatment in pain scores
Patient-rated pain reduction**
Follow-up: 3 months
Radial ESWT: MD  from baseline was 5.0 pointsControl: MD from baseline was 0.2 pointsNot estimable40/1N/AESWT: very much improved
Controls: minimally improved
Follow-up: 6 monthsRadial ESWT: MD from baseline was 5.3 pointsControl: MD from baseline was+0.2 pointsNot estimable40/1N/A ESWT: very much improved
 Controls: minimally worse
Follow-up: 12 monthsRadial ESWT: MD from baseline was 5.7 pointsControl: MD from baseline was 0.2 pointsNot estimable40/1N/AESWT: very much improved
Controls: minimally improved
  • *Pain scores are referred to self-rated pain intensity score.

  • **Cut-off points adjusted from Farrar et al. 44

  • 1 Only one randomised controlled trial included in analyses.

  •  2Level of evidence increased due to the magnitude of effect.

  • ESWT, extracorporeal shockwave therapy; GRADE, Grading of Recommendations Assessment, Development and Evaluation; MD, mean difference; N/A, not available; NRS, numeric rating scale.