Baseline ACPA and RF testing rates by index year
| Index year | New RA patients, total N | Baseline ACPA test, N (%) | Baseline RF test, N (%) |
|---|---|---|---|
| 2007 | 1095 | 740 (67.6) | 919 (83.9) |
| 2008 | 926 | 703 (75.9) | 856 (92.4) |
| 2009 | 921 | 782 (84.9) | 870 (94.4) |
| 2010 | 914 | 796 (87.1) | 870 (95.2) |
| 2011 | 885 | 812 (91.8) | 856 (96.7) |
| 2012 | 921 | 847 (92.0) | 880 (95.5) |
| 2013 | 919 | 841 (91.5) | 876 (95.3) |
| 2014 | 863 | 829 (96.1) | 833 (96.5) |
| Total | 7444 | 6350 (85.3) | 6960 (93.5) |