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Table 1 Baseline data of with and without screw fixation

From: The results of screw augmentation of acetabular cement spacers for the treatment of periprosthetic hip joint infection

Variable Group 1 (n = 21) Group 2 (n = 23) p value
  With screw Without screw  
Gender (M/F) 16/5 14/9 0.276
Age 65.5 (range 32 to 78) 70.7 (range 53 to 86) 0.094
BMI 23.7 (range 19.1 to 34) 22.5 (range 17.8 to 27.8) 0.193
The duration from the primary operation to the first stage (month) 46.4 (range, 2-206) 69.4 (range, 2.6-209.9) 0.218
The duration from the first stage to the second stage (month) 4.5 (range, 1.7-14.6) 6.6 (range, 0.8-65) 0.463
First stage to the last follow-up (year) 5.9 (range 2.3 to 8.3) 5.5 (range 0.9 to 11) 0.535
Diagnosis before first-stage operation (all patients underwent THA)    
 Femoral neck fracture 18 15  
 Osteonecrosis of femoral head 3 8  
  1. M male, F female, BMI body mass index, THA total hip arthroplasty
  2. *Statically significant p value < 0.05