Ratio of infections per arthroscopic procedure, 2010–2017
| Joint | No of SA following arthroscopy | No of arthroscopic procedures | Ratio, % |
| All joints | 37 | 21 342 | 0.17 |
| Knee joint | 32 | 13 290 | 0.24 |
| Other joints* | 5 | 8052 | 0.06 |
*Shoulder joint: 4, ankle joint: 1.
SA, septic arthritis.