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
Laterality
0.159
Diabetes mellitus
0.082
End-stage renal disease
0.571
Autoimmune diseases
0.495
Diagnosis for arthroplasty
0.640
Primary prosthesis
0.460
Cementation in primary operation
0.598
Methicillin-resistant Staphylococcus aureus as pathogen
0.107
Anaerobes as pathogen
0.275
Gram-negative bacillus as pathogen
0.200
Culture-negative periprosthetic joint infection
0.074
C-reactive protein level before revision (<10/>10 mg/L)#
0.894
Erythrocyte sedimentation rate before revision (<40/>40 mm/hr)∧
0.535
Revision prosthesis
0.571
Cementation in revision
0.541
Bone grafting in revision
0.511
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.
