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Table 2 Multivariate analysis for risk factors associated with reinfection after two-stage revision THA

From: The risk factors of failed reimplantation arthroplasty for periprosthetic hip infection

Variables Adjusted HR 95% CI p value
Body mass index ≥30 kg/m2 9.16 1.51−55.3 0.0158*
Drug abuse 1.66 0.14−19.4 0.6832
Liver cirrhosis 6.39 1.09−37.4 0.0398*
Gram-negative organism 5.68 1.18−27.4 0.0303*
Presence of sinus tract 18.2 2.15−153 0.0077*
Repeated debridement between stage 5.64 0.59−53.1 0.1303
Revision operative time >4 h 1.00 0.08−12.5 0.9957
  1. HR hazard ratio, CI confidence interval
  2. *A p value of <0.05 was considered to be statistically significant