Table I.
(i) Periprosthetic purulence observed at the time of operation |
(ii) Histopathological features consistent with acute inflammation |
(iii) Elevated synovial white cell count (> 1.7 × 103 /μL3) or elevated synovial neutrophil (PMN) percentage (> 65% PMNs) or |
(iv) Sinus track in direct communication with the joint |