Category map
| # | Source | Pattern | Contains anything with |
|---|---|---|---|
| 1 | Condition | OSTEOARTHRITIS | No |
| 2 | Condition | ARTHRITIS | Yes |
| 3 | Condition | RHEUMATOID ARTHRITIS | Yes |
| 4 | Condition | OSTEOARTHRITIS | Yes |
| 5 | Condition | INFECTIOUS ARTHRITIS | Yes |
| 6 | MeSH | OSTEOARTHRITIS | No |
| 7 | MeSH | ARTHRITIS | No |
| 8 | MeSH | OSTEOARTHRITIS, KNEE | No |