Table 4. Clinical and laboratory presentation of recurring PVNS cases.
| Total | Knee | Hip | |
|---|---|---|---|
| Trauma history | |||
| Prior trauma | 4/40 | 4/31 | 0/6 |
| No trauma | 44/197 | 38/144 | 3/37 |
| Treatment strategy | |||
| Arthroscopy | 27/129 | 26/118 | 0/6 |
| Open surgery | 21/108 | 16/57 | 3/37 |
| Synovectomy | 20/86 | 16/44 | 2/28 |
| Arthroplasty | 1/22 | 0/13* | 1/9 |
| Serum inflammatory marker | |||
| WBC | |||
| Normal value | 43/202 | 37/146 | 3/38 |
| Elevated value | 4/20 | 4/16 | 0/3 |
| ESR | |||
| Normal value | 13/78 | 12/49 | 1/24 |
| Elevated value | 15/66 | 13/46 | 2/13 |
| CRP | |||
| Normal value | 10/85 | 8/54 | 2/24 |
| Elevated value | 13/53 | 13/38* | 0/12 |
WBC = white blood cell count, ESR = erythrocyte sedimentation rate, CRP = C-reactive protein.
All the data are expressed in events/total.
* p≤ 0.05.