Potential risk factors for septic arthritis
| Potential risk factor | Number | % |
|---|---|---|
| Rheumatoid arthritis | 39 | 16 |
| Osteoarthritis | 37 | 15 |
| Other joint disease | 9 | 4 |
| Diabetes mellitus | 15 | 6 |
| Cytotoxic therapy | 4 | 2 |
| Oral corticosteroids | 25 | 10 |
| Intra-articular corticosteroids | 8 | 3 |
| Previous joint or local surgery | 26 | 11 |
| Recent trauma | 52 | 21 |
| Blunt | 18 | |
| Closed | 13 | |
| Open | 21 | |
| Underlying carcinoma | 8 | 3 |
| Upper respiratory tract infection | 15 | 6 |
| Skin ulceration | 27 | 11 |
| Other septic focus | 18 | 7 |
| No apparent risk factor | 54 | 22 |