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Table 1 Migration pattern of the migrated cups.

From: Migration pattern of cementless press fit cups in the presence of stabilizing screws in total hip arthroplasty

    Implant Number   
  17 27 38 41 61 94
x-migration (mm)       
Lateral 0.5 0.3 0.0 0.0 0.0 2.8
Medial 0.0 0.0 0.6 0.2 2.5 0.0
y-migration       
(mm)       
Cranial 2.3 1.7 1.9 0.1 2.6 4.5
Caudal 0.0 0.0 0.0 0.0 0.0 0.0
Inclination (°)       
Post surgery 62.3 64.3 54.1 38.9 38.9 57.1
Change + 0.0 + 0.0 - 0.3 + 2.7 - 6.3 + 12.7
Anteversion (°)       
Post surgery 5.9 20.5 18.0 18.0 3.4 9.9
Change + 0.3 + 0.1 + 0.1 + 0.8 + 0.9 + 12.9
Evidence of migration (months) 8 12 13 2 17 2
Time of migration (months) 14 6 13 4 21 10
Restabilisation No Yes Yes Yes No No
Follow-up (months) 14 36 25 69 21 10