Table 2

Outcome measures

Ultrasound guided steroidUnguided steroidUltrasound guided placeboUltrasound guided steroid versus ultrasound guided placeboUnguided steroid versus ultrasound guided placebo
Mean (SD)Mean (SD)Mean (SD)Difference (95% CI)* p valueDifference (95% CI)* p value
Outcomes at 6 weeks
 Heel pain VAS33.1 (28.4)30.3 (27.3)50.9 (31.4)−19.7 (−37.0, −2.5) 0.03−24.0 (−41.3,−6.6) 0.008
 Heel tenderness index0.7 (0.8)0.5 (0.7)1.2 (1.0)−0.5 (−1.0, 0.0) 0.08−0.7 (−1.2,−0.2) 0.006
 Plantar fascia thickness (mm)4.9 (1.4)4.8 (1.2)5.6 (1.3)−0.9 (−1.4,−0.3) 0.002−1.0 (−1.6,−0.5) <0.001
Outcomes at 12 weeks
 Heel pain VAS†28.4 (24.9)28.2 (24.8)53.8 (33.8)−25.1 (−43.6, −6.5) 0.009−28.4 (−45.7,−11.1) 0.002
 Heel tenderness index‡0.5 (0.7)0.5 (0.7)1.5 (1.1)−1.0 (−1.6,−0.4) 0.002−1.0 (−1.5,−0.4) 0.001
 Plantar fascia thickness (mm)‡4.5 (1.4)4.8 (1.3)6.0 (1.9)−1.7 (−2.6,−0.8) 0.001−1.3 (−2.2,−0.5) 0.003
  • *Adjusted for differences at baseline by analysis of covariance.

  • †Primary outcome variable.

  • ‡Secondary outcome variable.

  • VAS, visual analogue scale.