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Table 1 Study sample characteristics

From: Development of the Rheumatoid Arthritis Distress Scale (RADS): a new tool to identify disease-specific distress in patients with Rheumatoid Arthritis

STUDY phase/title Data
PHASE 1  
Myositis fatigue study [24] 12 male and female adult patients
Anti-phospholipid Syndrome Fatigue study [25] 9 female adult patients
Rheumatoid Arthritis study [23] 26 male and female adult patients
Titrate study (intermediate Rheumatoid Arthritis) [22] 14 Adults (9 patients and 5 carers)
Total RA patients from Phase 1 original data sets 35
Total non-RA patients from Phase 1 original data sets 21
Total carers for RA patients from Phase 1 original datasets 5
PHASE 2 4 adults with RA
PHASE 4 3 adults with RA
PHASE 5 9 adults with RA (adult duplicate participant also from Phase 4 = 8 individual adults)
Total RA patients from Phases 1–5 50
Total non-RA patients from Phases 1–5 21
Total carers for RA patients from Phases 1–5 5