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Table 3 Foot pressure characteristics of the RA participants at baseline and 12 months.

From: Forefoot pathology in rheumatoid arthritis identified with ultrasound may not localise to areas of highest pressure: cohort observations at baseline and twelve months

  Baseline
Mean (SD)
12 months
Mean (SD)
Students t-test
(95% CIs)
PSC
increase
PSC
decrease
Left peak pressure (kPa) 559.1 (281.6) 565.1 (291.3) t = -0.180, p = 0.857
(-72.6-60.5)
54 (47%) 60 (53%)
Right peak pressure (kPa) 581.5 (298.0) 582.3 (396.7) t = -0.020, p = 0.984
(-84.7-83.0)
53 (47%) 61 (54%)
  1. Legend: PSC = person specific change n(%)