BioMed Research International / 2015 / Article / Tab 4

Clinical Study

Two-Stage Revision Arthroplasty for Periprosthetic Hip Infection: Mean Follow-Up of Ten Years

Table 4

Noncontributing variables.

Variables value

Age (<60/>60 years)0.575
Body mass index (<30/>30 kg/m2)0.837
Cigarette smoking (<1/≥1 pack per day)0.171
Laterality0.159
Diabetes mellitus0.082
End-stage renal disease0.571
Autoimmune diseases0.495
Diagnosis for arthroplasty0.640
Primary prosthesis0.460
Cementation in primary operation0.598
Methicillin-resistant Staphylococcus aureus as pathogen0.107
Anaerobes as pathogen0.275
Gram-negative bacillus as pathogen0.200
Culture-negative periprosthetic joint infection0.074
C-reactive protein level before revision (<10/>10 mg/L)#0.894
Erythrocyte sedimentation rate before revision (<40/>40 mm/hr)0.535
Revision prosthesis0.571
Cementation in revision0.541
Bone grafting in revision0.511

Log-rank test for Kaplan-Meier survivorship; a value of <0.05 was considered to be statistically significant.
#The cutoff value is 5 mg/L.
The cutoff value is 20 mm/hr.

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