Good accuracy of the alpha-defensin lateral flow test for hip periprosthetic joint infection: A pilot study in a retrospective cohort of 52 patients

Table 1 Modified Musculoskeletal Infection Society criteria for periprosthetic joint infection definition[3]

Two or more positive periprosthetic cultures with phenotypically identical organisms, or

A sinus tract communicating with the joint, or

Having at least three of the following minor criteria:

Elevated serum C-reactive protein > 10 mg/L AND erythrocyte sedimentation rate > 30 mm/h;

Elevated synovial fluid white blood cell count 3.000 cells/μL OR ++ result on leukocyte esterase test strip;

Elevated synovial fluid polymorphonuclear neutrophil percentage (PMN%) > 80%;

Positive histological analysis of periprosthetic tissue;

A single positive culture.