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Table 1 Patient-related and joint-related characteristics of study material. VAS Visual Analogue Scale, CRP C-reactive protein, ESR erythrocyte sedimentation date, DAS Disease activity score, CDAI clinical disease activity index, PET/CT positron emission computed tomography, SD standard deviation

From: Dissociation between 2-[18F]fluoro-2-deoxy-D-glucose positron emission computed tomography, ultrasound and clinical assessments in patients with non-severe rheumatoid arthritis, including remission

Variable Patient (N = 63) Mean ± SD or Number (%) Joints (N = 1764)
Number (%)
Anamnestic disease activity
 Patient global assessment - VAS (mm) 43.0 ± 30.6  
 Physician global assessment - VAS (mm) 20.1 ± 26.2  
 Health Quality Questionnaire 13.3 ± 13.0  
Blood analysis
 CRP (mg/L) 3.3 ± 4.4  
 ESR (mm/h) 11.3 ± 12.1  
Clinical examination
 Number of tender joint 5.9 ± 8.2 373 (21.1)
 Number of swollen joint 3.8 ± 4.6 242 (13.7)
 Number of tender or swollen joint 7.7 ± 8.0 486 (27.6)
 Number of tender and swollen joint 2.1 ± 4.3 129 (7.3)
DAS28-CRP 3.4 ± 1.5  
 Remission (< 2.6) 22 (34.9)  
 Low /moderate activity (2.6–5.1) 31 (49.2)  
 Severe activity (> 5.1) 10 (15.9)  
CDAI 16.1 ± 15.2  
 Remission (≤2.8) 11 (17.5)  
 Low /moderate activity (2.9–22) 37 (58.7)  
 Severe activity (> 22) 15 (23.8)  
Ultrasounds
 Synovitis (positive joints) 2.4 ± 3.2 152 (8.6)
 Cumulative synovial thickness (mm) 8.3 ± 13.1  
PET/CT
 Positive joints 5.7 ± 7.9 361 (20.5)
 Cumulative standard uptake value 12.8 ± 19.1