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Table 2 Measures of disease activity for each year from 2004 to 2013 for patients with rheumatoid arthritis monitored with outcome measures in an ordinary outpatient clinic

From: Ten years of change in clinical disease status and treatment in rheumatoid arthritis: results based on standardized monitoring of patients in an ordinary outpatient clinic in southern Norway

Year (patients) ESR (mm/h) CRP (mg/dl) 28 tender joint count 28 swollen joint count DAS28-ESR CDAI SDAI Assessor’s global assessment (VAS, mm)
2004 22.3 (16.8) 14.8 (18.9) 4.2 (5.5) 4.1 (4.6) 3.9 (1.4) 14.8 (10.9) 16.2 (11.8) 22.6 (16.1)
(n = 404) [77.7 %] [81.2 %] [87.4 %] [87.4 %] [74.3 %] [85.0 %] [77.2 %] [86.6 %]
2005 22.1 (17.4) 13.6 (15.2) 4.0 (5.5) 3.5 (4.1) 3.8 (1.4) 13.5 (10.6) 14.7 (11.5) 19.9 (15.3)
(n = 604) [80.8 %] [79.8 %] [90.2 %] [90.2 %] [79.6 %] [89.4 %] [78.5 %] [90.1 %]
2006 22.7 (16.5) 13.0 (13.1) 4.8 (5.7) 3.3 (3.7) 4.0 (1.4) 14.4 (10.4) 15.5 (10.8) 20.1 (16.1)
(n = 620) [76.6 %] [78.4 %] [90.0 %] [90.0 %] [75.2 %] [87.6 %] [76.0 %] [88.9 %]
2007 23.3 (18.7) 14.9 (18.0) 4.5 (5.7) 3.3 (4.0) 3.9 (1.4) 13.9 (11.0) 15.7 (11.9) 21.0 (16.3)
(n = 743) [63.4 %] [66.8 %] [72.1 %] [72.1 %] [57.9 %] [67.3 %] [60.4 %] [71.3 %]
2008 20.9 (16.2) 10.9 (17.4) 3.6 (4.8) 3.1 (3.7) 3.6 (1.3) 12.2 (10.0) 13.3 (10.6) 17.9 (15.9)
(n = 796) [62.8 %] [66.7 %] [74.9 %] [74.9 %] [56.0 %] [64.1 %] [58.7 %] [71.4 %]
2009 19.4 (15.8) 8.4 (14.2) 2.9 (4.6) 2.7 (3.6) 3.3 (1.3) 10.8 (9.4) 11.9 (10.1) 17.0 (16.0)
(n = 969) [70.6 %] [74.0 %] [83.4 %] [83.4 %] [64.0 %] [75.9 %] [66.3 %] [81.8 %]
2010 19.1 (15.0) 8.0 (12.6) 2.5 (4.2) 1.9 (3.1) 3.2 (1.3) 9.1 (8.3) 9.8 (8.6) 13.0 (12.7)
(n = 1069) [80.4 %] [81.2 %] [89.9 %] [89.9 %] [77.4 %] [85.4 %] [77.6 %] [88.5 %]
2011 18.2 (14.7) 7.1 (12.0) 1.9 (3.4) 1.4 (2.5) 3.0 (1.2) 8.0 (7.4) 8.6 (7.7) 12.9 (13.4)
(n = 1103) [80.2 %] [84.0 %] [90.0 %] [90.0 %] [78.5 %] [87.9 %] [81.9 %] [90.1 %]
2012 18.0 (15.6) 7.0 (13.2) 1.5 (3.5) 1.2 (2.5) 2.8 (1.2) 7.1 (7.1) 7.8 (7.5) 10.6 (12.6)
(n = 1113) [78.0 %] [83.1 %] [91.3 %] [91.3 %] [75.8 %] [88.2 %] [80.6 %] [91.0 %]
2013 17.2 (14.2) 6.4 (10.6) 1.3 (3.0) 0.8 (1.8) 2.7 (1.1) 6.3 (6.1) 7.0 (6.3) 9.7 (11.4)
(n = 1083) [76.8 %] [80.4 %] [89.8 %] [89.8 %] [74.1 %] [86.1 %] [76.6 %] [89.6 %]
P valuea 2004–2013 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001
P valuea 2010–2013 0.012 0.007 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001
  1. Abbreviations: CDAI: Clinical Disease Activity Index, CRP C-reactive protein, DAS28 Disease Activity Score in 28 joints, ESR Erythrocyte sedimentation rate, SDAI Simplified Disease Activity Index, VAS visual analogue scale, 0–100 mm
  2. Data are mean (SD). The percentages within square brackets represent patients with available data
  3. aLinear regression used to test for differences during follow-up