Fulfilment of the RA definition by year of first RA code
| n (%) | Full diagnostic algorithm | Criterion 1 | Criterion 2 | >1 RA code during follow-up | No alternative diagnostic code after last RA code | ≥1 RA code in group 1 or 2 |
|---|---|---|---|---|---|---|
| 2010 | 1204 (84.6) | 1101 (77.4) | 967 (68.0) | 1050 (79.9) | 1404 (98.7) | 1186 (90.3) |
| 2011 | 1186 (88.0) | 1096 (81.3) | 969 (71.9) | 1068 (82.0) | 1327 (98.4) | 1173 (90.0) |
| 2012 | 1187 (85.4) | 1076 (77.4) | 982 (70.7) | 1112 (82.7) | 1378 (99.1) | 1176 (87.4) |
| p Value | 0.029 | 0.016 | 0.068 | 0.163 | 0.246 | 0.033 |
Full algorithm requires meeting either criterion 1 or criterion 2 (or both); criterion 2 requires having (a) >1 RA code during follow-up and (b) no alternative diagnostic code after last RA code, and (c) ≥1 RA code in group 1 or 2.
RA, rheumatoid arthritis.