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Table 6 Failures requiring revision

From: Reducing the failure rate of hip resurfacing in dysplasia patients: a retrospective analysis of 363 cases

Type Group 1 Group 2 P-value
# Cases 121 242 --
Acetabular Failures
 Adverse Wear 4 (3.3 %) 0 (0 %) 0.0045*
 Loose Acetabular Component 1 (0.8 %) 0 (0 %) 0.1556
 Failure of Acetabular Ingrowth 6 (5.0 %) 0 (0 %) 0.0005*
 Acetabular Component Shift 0 (0 %) 1 (0.4 %) 0.4777
Femoral Failures
 Femoral Neck Fracture 1 (0.8 %) 1 (0.4 %) 0.6171
 Femoral Head Collapse 2 (1.7 %) 0 (0 %) 0.0444*
 Loose Femoral Component 1 (0.8 %) 0 (0 %) 0.1556
Other Failures
 Unexplained Pain 1 (0.8 %) 0 (0 %) 0.1556
TOTAL FAILURES 16 (13.2 %) 2 (0.8 %) <0.0001*
  1. astericks indicate statistical significance