Table 4 Comparison of information available from codes and keywords in year preceding diagnosis in RA patients
| Â | MEN | WOMEN | ||||||
|---|---|---|---|---|---|---|---|---|
Topic | Neither | Code only | Keyword only | Both | Neither | Code only | Keyword only | Both |
Inflammatory arthritis | ||||||||
n | 1,483 | 146 | 287 | 91 | 3,278 | 312 | 633 | 157 |
(%) | (73.9) | (7.3) | (14.3) | (4.5) | (74.8) | (7.1) | (14.5) | (3.6) |
Synovitis | ||||||||
n | 1,598 | 30 | 344 | 35 | 3,531 | 60 | 735 | 54 |
(%) | (79.9) | (1.5) | (17.1) | (1.7) | (80.6) | (1.4) | (16.8) | (1.2) |
Rh Factor test | Â | Â | Â | Â | Â | Â | Â | Â |
n | 646 | 450 | 247 | 664 | 1,404 | 943 | 579 | 1,454 |
(%) | (32.2) | (22.4) | (12.3) | (33.1) | (32.1) | (21.8) | (13.2) | (33.2) |