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Table 1 Demographic and clinical characteristics of the RA participants at baseline and 12 months (N = 114).

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)
Raw Change
Mean (± SD)
PSC
Up
PSC
Down
PSC
No Change
Weight (kg) 73.3 (15.5) 73.2 (15.4) - 0.1 (4.3) 56 (49%) 57 (50%) 1 (1%)
Wellbeing (VAS) 40.1 (23.8) 36.2 (22.8) - 3.3 (25.8) 56 (49%) 56 (49%) 2 (2%)
ESR (mm/hour) 22.9 (18.6) 24.6 (20.3) 1.8 (16.9) *47 (41%) 53 (47%) 6 (5%)
CRP (mg/litre) 12.4 (19.5) 14.8 (25.0) 2.9 (29.1) *50 (44%) 39 (34%) 12 (10%)
DAS-28 3.9 (1.3) 4.1 (1.4) 0.2 (1.8) *35 (31%) 25 (22%) 17 (15%)
LFISIF (x/21) 10.6 (4.9) 10.3 (4.8) - 0.4 (3.3) 44 (39%) 53 (47%) 17 (15%)
LFISAP (x/30) 16.5 (9.5) 16.6 (9.7) - 0.1 (5.7) *53 (47%) 43 (38%) 17 (15%)
  1. Key:*ESR 8 missing data; CRP 13 missing data; DAS-28 37 missing data; LFISAP 1 missing data.
  2. Legend: PSC = person specific change n(%); VAS = visual analog score; ESR = Erythrocyte sedimentation rate; CRP = C-reactive proteins; DAS-28 = 28 joint disease activity score; LFISIF = Leeds Foot Impact Score, impairment/footwear subscale; LFISAP = Leeds Foot Impact Score, activity participation limitation subscale.