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Table 1 patient demographics and surgical factors

From: A single centre study of 41 cases on the use of porous tantalum metal implants in acetabular revision surgery

Patient and surgical factors results
median age in years(IQR) 66 (58–72)
median BMI in kg/m2(IQR) 27 (26–31)
median number of previous surgeries for PJI(IQR) 0 (0–1)
median numbers of previous aseptic acetabular revisions(IQR) 0 (0–3)
median Charlson comorbidity index(IQR) 3 (2–5)
indication for acetabular revision
 aseptic loosening 83%
 reimplantation after two-stage exchange 17%
median follow-up (IQR) 72 (42–87)
femoral megaprosthetic reconstruction % 13%
 total femoral replacement 5%
 proximal femoral replacement 8%
Paprosky classification of acetabular defect
 2a 24%
 2b 17%
 2c 15%
 3a 15%
 3b 29%
 Major bone loss 69%
 Minor bone loss 31%