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Table 1 Clinical and demographic data for our study sample

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) Female Age (yr) BMI (kg/m2) Education (yr) Full-time job if age <65 yr Current smoker Disease duration (yr) RF+ ACPA+
2004 74.0 % 69.2 (13.8) NA NA NA NA 12.3 (10.3) 71.6 % 66.7 %
(n = 404) [100.0 %] [100.0 %] [100.0 %] [45.3 %] [0.7 %]
2005 70.9 % 69.7 (14.8) NA NA NA NA 11.5 (11.1) 68.3 % 76.4 %
(n = 604) [100.0 %] [100.0 %] [100.0 %] [51.2 %] [9.1 %]
2006 70.5 % 68.7 (15.0) NA NA NA NA 11.6 (11.0) 71.3 % 70.1 %
(n = 620) [100.0 %] [100.0 %] [100.0 %] [57.3 %] [23.7 %]
2007 70.8 % 67.9 (14.6) NA NA NA NA 10.7 (10.8) 68.3 % 69.1 %
(n = 743) [100.0 %] [100.0 %] [100.0 %] [62.0 %] [38.0 %]
2008 69.8 % 66.3 (14.3) NA NA NA NA 10.9 (10.9) 68.6 % 69.6 %
(n = 796) [100.0 %] [100.0 %] [100.0 %] [70.9 %] [52.1 %]
2009 68.8 % 65.7 (14.1) NA NA NA NA 10.4 (10.4) 64.8 % 67.0 %
(n = 969) [100.0 %] [100.0 %] [100.0 %] [81.8 %] [67.2 %]
2010 68.9 % 65.2 (14.0) 25.8 (4.3) 11.1 (3.4) 26.6 % 23.9 % 10.7 (10.4) 63.9 % 65.6 %
(n = 1069) [100.0 %] [100.0 %] [93.0 %] [94.4 %] [97.1 %] [97.1 %] [100.0 %] [91.8 %] [80.5 %]
2011 68.3 % 64.9 (14.1) 25.7 (4.4) 11.2 (3.5) 22.8 % 22.7 % 10.9 (10.5) 66.1 % 68.1 %
(n = 1103) [100.0 %] [100.0 %] [96.4 %] [87.7 %] [88.6 %] [86.9 %] [100.0 %] [95.5 %] [90.1 %]
2012 68.8 % 64.3 (14.1) 25.8 (4.5) 11.2 (3.5) 27.0 % 20.3 % 11.4 (10.5) 65.8 % 67.9 %
(n = 1113) [100.0 %] [100.0 %] [97.6 %] [97.6 %] [98.4 %] [97.8 %] [100.0 %] [97.0 %] [93.6 %]
2013 68.6 % 63.7 (13.8) 25.7 (4.4) 11.4 (3.5) 27.5 % 20.5 % 12.1 (10.6) 66.7 % 69.7 %
(n = 1083) [100.0 %] [100.0 %] [98.3 %] [98.3 %] [99.0 %] [99.0 %] [100.0 %] [98.0 %] [95.5 %]
P valuea 2004–2013 0.63 <0.001 0.86 0.081 <0.001 0.13 0.45 0.20 0.66
P valuea 2010–2013 0.99 0.008 0.86 0.081 <0.001 0.13 0.001 0.58 0.30
  1. Abbreviations: ACPA anti-citrullinated protein antibody, BMI body mass index, NA Not available, RF rheumatoid factor, yr years
  2. Left column gives number of patients monitored. The percentages within square brackets represent patients with available data
  3. aχ2 test for categorical and linear regression for continuous variables was used to test for differences during follow-up