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Table 4 Comparison of stress shielding between Groups C and S

From: Finite element analysis of cementless femoral stems based on mid- and long-term radiological evaluation

  Group C Group S P value
Total number of hips 11 16  
Progression of stress shielding (ratio)a 5 (45.5 %) 8 (50 %) 0.820
Stress shielding ≥2nd degree (ratio)b 7 (63.6 %) 12 (75.0 %) 0.533
  1. aStress shielding progressed from ~5 years to ~10 years postoperatively
  2. bSecond-degree or greater stress shielding at ~10 years postoperatively