From: The results of screw augmentation of acetabular cement spacers for the treatment of periprosthetic hip joint infection
Group 1 (n = 21)
Group 2 (n = 17)
p value
Vertical migration (mm)
1.2 (range 0 to 2.6)
3.1 (range 0 to 7.3)
< 0.001
Horizontal migration (medial) (mm)
0.6 (range 0 to 2)
1.6 (range 0 to 3.4)
0.001