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13 June 2022: Database Analysis

Retrospective Study from a Single Center to Identify Risk Factors Associated with Reinfection in Patients Undergoing 2-Stage Revision Surgery for Periprosthetic Joint Infection

Bingshi Zhang ABCE , Zeming Liu CE , Sikai Liu BC , Bo Liu BC , Mengnan Li B , Wenao Li E , Yongtai Han ABCDE*

DOI: 10.12659/MSM.936973

Med Sci Monit 2022; 28:e936973

Table 5 Scoring system for predicting infection recurrence in patients with PJI undergoing 2-stage hip revision surgery.

Risk factorsβ-coefficientPredictive score (total=100 points)
CRP
Ref.0
 30–80 mg/L1.2057.5
 >80 mg/L2.32314.5
Bacterial infection
 NegativeRef.0
 G+ bacteria1.1957.5
 G− bacteria2.55116
Age (years)
Ref.0
 40–700.8525.5
 >701.87512
Immunosuppression
 NoRef.0
 Yes2.20514
Albumin/globulin
 >2Ref.0
 2–0.80.8525.5
1.2117.5
Glucose
Ref.0
 5.6–11.21.2097.5
 >11.22.20814
MRI findings
 Negative findingsRef.0
 Lamellated hyperintense synovitis or soft tissue edema2.42715
 Both3.50122
Ref. – reference; CRP – C-reactive protein. The AUC of this scoring system was 0.965 (95% CI=0.947–0.983). The total score was the sum of the scores for each item. The predictive scores for a low risk (estimated incidence of infection recurrence ≤30%), moderate risk (estimated incidence of infection recurrence of 31–69%), and high risk (estimated incidence of infection recurrence ≥70%) of infection recurrence were ≤45 points, 46–77 points and ≥78 points, respectively.

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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750