Fig. 4From: A single centre study of 41 cases on the use of porous tantalum metal implants in acetabular revision surgeryCumulative Kaplan–Meier survival of cups in months, relative to different acetabular defect sizes in the Paprosky classification [14]. Blue line, Paprosky 2a; red line, Paprosky 2b; orange line, Paprosky 3a; green line, Paprosky 2c; yellow line, Paprosky 3bBack to article page