Table 2B

Detailed data on the measurements by PDUS and MRI of the tendons in the knee and heel

Examination site: tendon thicknessImaging modalitypSpANon-SpAP value
Mean±SD
KneeProximal patellar tendonPDUS0.36±0.100.39±0.120.845
MRI0.39±0.070.39±0.060.929
Distal patellar tendonPDUS0.37±0.080.36±0.110.522
MRI0.35±0.070.32±0.050.220
Tibial tuberosityPDUS0.35±0.080.37±0.100.558
MRI0.34±0.080.34±0.050.922
HeelAchilles’ tendonPDUS0.43±0.090.43±0.080.940
MRI0.43±0.090.40±0.060.077
Plantar fasciaPDUS0.26±0.050.27±0.050.917
MRI0.22±0.050.22±0.060.742
  • All values are measurements in millimetre±SD.

  • PDUS, power Doppler ultrasound; pSpA, peripheral spondyloarthritis; SpA, spondyloarthritis.