Risk Factors for Septic Arthritis
Contiguous spread


Skin infection, cutaneous ulcers


Direct inoculation


Previous intraarticular injection


Prosthetic joint: early and delayed (Table 6)


Recent joint surgery


Hematogenous spread


Diabetes mellitus


Human immunodeficiency virus infection


Hematogenous spread


Immunosuppressive medication9


Intravenous drug abuse


Osteoarthritis


Other cause of sepsis


Prosthetic joint: late (Table 6)


Rheumatoid arthritis


Sexual activity (specifically for gonococcal arthritis)


Other factors


Age older than 80 years


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