Table 1. Periprosthetic joint infection diagnosis based on the Musculoskeletal Infection Society (MSIS) criteria.

Periprosthetic joint infection diagnosis based on the Musculoskeletal Infection Society (MSIS) criteria, whereby at least one of the following criteria was present
1	Presence of sinus tract communicating with the prosthesis
2	A microorganism was isolated from the affected joint from at least two separate tissues or synovial fluid samples
3	Four out of six following criteria were fulfilled
	A	Raised serum erythrocyte sedimentation rate (ESR) and serum C-reactive protein (CRP)
	B	Elevated synovial white blood cell count
	C	Raised synovial neutrophil percentage
	D	Presence of pus in the affected joint
	E	Isolation of a pathogen in one culture of periprosthetic tissue or synovial fluid
	F	More than five neutrophils per high-power field from histologic analysis of affected joint tissue