Table 2.

Definition of shoulder PJI (Garrigues et al. 2019 [16••])

Category	Definition
Definite infection	Presence of a sinus tract from the skin surface to the prosthesis ORGross intra-articular pus ORTwo positive tissue cultures with identical virulent organisms
Probable infection	Presence of ≥6 minor criteria with an identified organism
Possible infection	Presence of ≥6 minor criteria without an identified organism OR< 6 minor criteria with one culture with a virulent organism OR< 6 minor criteria with 2 positive cultures with a low-virulence organism
Unlikely infection	< 6 minor criteria with negative cultures OR< 6 minor criteria with 1 positive culture with a low-virulence organism