From: Forefoot pathology in rheumatoid arthritis identified with ultrasound may not localise to areas of highest pressure: cohort observations at baseline and twelve months
RA
Mean (SD)
Control
Students t-test
(95% CIs)
Left peak pressure (kPa)*
559.1 (281.6)
460.9 (146.0)
t = 2.330, p = 0.021
(14.96-181.45)
Right peak pressure (kPa)*
581.5 (298.0)
449.5 (167.8)
t = 2.931, p = 0.004
(43.0-220.9)