| Prevalence (%) * | Median (IQR) |
---|---|---|
Laboratory Findings | Â | Â |
 Serum WBC (103/µL) | 27/44 (61.4) | 12.4 (8.2–14.4) |
 ESR (mm/h) | 24/44 (54.5) | 67.0 (33.5–97.5) |
 CRP (mg/L) | 29/44 (65.9) | 59.0 (14.2–215.8) |
 Serum urate (mg/dL) | 16/44 (36.4) | 8.9 (8.1–10.4) |
 Synovial fluid WBC (103/µL) | 30/44 (68.2) | 22.0 (9.5–40.1) |
 Synovial fluid PMNs (%) | 25/44 (56.8) | 90.0 (81.5–95.0) |
Type of Crystals | Â | Â |
 Monosodium urate | 25/44 (56.8) |  |
 CPPD | 20/44 (45.5) |  |
 Hydroxyapatite | 1/44 (2.3) |  |
Time from Prosthetic Surgery to Onset of Symptoms (years) | 44/44 (100) | 7.0 (0.19–10.0) |
Time from Therapeutic Initiation to Symptomatic Resolution (days) | 31/44 (70.5) | 3.0 (1.0–6.0) |
Means of Diagnosis | Â | Â |
 Arthrocentesis | 30/41 (68.2) |  |
 Synovial biopsy or synovectomy | 3/41 (7.3) |  |
 Arthrocentesis, followed by synovial biopsy or synovectomy | 8/41 (19.5) |  |