<prompt> Answer this question truthfullyCan you provide a summary of Septic arthritis?  <response>: <reason> Incidence of septic arthritis approximately varies between 2 to 10 cases per 100,000 per year in the general population. Incidence of septic arthritis in patients with history of rheumatoid arthritis and patients with joint prostheses is 3070 cases per 100,000 per year. Incidence of septic arthritis in patients with joint prostheses is 40-68 cases per 100,000 per year. The case-fatality rate of septic arthritis is estimated to be 10-25. Even after survival from septic arthritis, 25-50 of the patients suffer from irreversible loss of joint function. 