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. Author manuscript; available in PMC: 2019 Apr 1.
Published in final edited form as: J Arthroplasty. 2017 Nov 21;33(4):1154–1159. doi: 10.1016/j.arth.2017.11.029

Figure 1.

Figure 1

The overall vs optimized estimated survival probability of I&D in TKA PJI. The overall failure rate was 57.4%. (A) When the optimized case is defined as less than one week of symptoms and a non S. aureus cultured organism, the failure rate was 39.6%. The 95% confidence intervals of overall vs optimized survival probabilities do not overlap indicating a significant difference. (B) Typically, the organism is not known at the time of surgery. When the optimized case is defined as only less than one week of symptoms and organism is excluded, the failure rate was 46.8%. Confidence intervals of overall vs optimized survival probabilities do not sufficiently overlap, suggesting no difference in outcomes.