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Table 1 Background data of the study population 4 years after inclusion. Changes from baseline to 4 years are presented

From: Long-time follow up of physical activity level among older adults with rheumatoid arthritis

  (n = 24) Exercise group (n = 23) Control group Between group Δ 4 years-baseline Within group Δ 4 years-baseline Within group
n (%) n (%) p Exercise group p Control group p
Sex /female) 18 (75%) 18 (78.3%)      
RF 17 (71%) 16 (70%) 0.924     
CCP 20 (83%) 12 (52%) 0.130     
Erosiv 13 (54%) 13 (57%) 0.980     
Mean (SD) Mean (SD)      
Median (min;max) Median (min;max)      
Age (years) 73.5 (2.71) 74.0 (2.11) 0.323     
73 (70–79) 74 (70–78)      
Disease 18.7 (10.33) 21.9 (10.7) 0.112     
duration 17.5 (6–49) 24 (7–53)      
DAS28 2.62 (0.76) 3.17 (0.87) 0.043 0.29 (0.98) 0.058 0.72 (1.05) 0.007
2.53 (1.03;4.36) 2.92 (1.30;4.53)   0.31 (−1.96;2.01)   0.58 (−1.11;2.32)  
Tender joints 1 (1.7) 2 (2.2) 0.065 −0.4 (2.4) 0.474 1 (2.2) 0.028
0 (0;6) 1 (0;8)   0(−7;5)   1 (−3;7)  
Swollen joints 0.3 (0.8) 0.7 (1.3) 0.327 −0.2 (1.4) 0.558 −0.1 (1.9) 0.811
0 (0;3) 0 (0;5)   0 (−5;3)   0 (−6;4)  
ESR 18.8 (11.8) 17.7 (10.1) 0.918 6.9 (7.9) 0.001 5.5 (5.5) < 0.001
16.5 (5;53) 16 (3;38)   4.5 (−11;25)   6 (− 2;21)  
CRP 2.8 (2.0) 3.2 (3.1) 0.699 −1.0 (2.9) 0.124 −1.3 (5.3) 0.465
2.5 (1;10) 2 (1;11)   0 (−11;3)   0 (−22;5)  
HAQ-DI 0.47 (0.51) 0.63 (0.54) 0.250 −0.02 (0.25) 0.374 −0.01 (0.39) 0.979
0.31 (0;1.63) 0.5 (0;2.13)   0 (−0.5;0.75)   0 (−0.75;0.63)  
VAS, 21.8 (18.3) 39.6 (24.1) 0.008 0 (12.5) 0.658 13.7 (20.6) 0.004
Global Health 20.5 (1;69) 34 (2;98)   3 (−29;20)   11 (−17;65)  
VAS Pain, 23.5 (21.4) 35.8 (25.5) 0.081 3.2 (19.1) 0.539 14 (27) 0.035
current (mm) 19 (0–69) 28 (1;94)   1.5 (−32;62)   9 (−32;80)  
VAS Fatigue 32 (21.7) 40.7 (27.4) 0.229 5.7 (16.4) 0.124 11.7 (22.8) 0.023
33.5 (0;68) 48 (0;86)   6 (−22;55)   6 (−37;61)  
Body mass 25.7 (5.1) 26.7 (4.0) 0.482 0.65 (3.7) 0.287 −0.93 (4.17) 0.648
index 26.0 (17.7–40.0) 26.4 (19.2;36.9)   0.30 (−7.72; 14.37)   0.003 (−18.7; 2.8)  
  1. RF Rheumatoid factor, CCP Cyclic Citrullinated Peptide, Disease duration years, DAS28 Disease Activity Scale 28, ESR Erythrocyte sedimentation rate, CRP C-reactive protein, HAQ-DI Health Assessment Questionnaire - Disability index, VAS Visual Analogue Scale
  2. Significant p-values are shown in bold
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