QUESTIONS 1 of 1 1 Previous Next (OBQ04.253) In animal models, which of the following is true when comparing hydroxyapatite(HA)-coated femoral stems to identical non-HA porous-coated stems after implantation? QID: 1358 Type & Select Correct Answer 1 Grit-blasted stems have decreased rates of loosening 6% (155/2622) 2 Hydroxyapatite-coated stems have shorter time to biologic fixation 82% (2152/2622) 3 Harris hip scores are higher after porous-coated stem insertion 2% (65/2622) 4 Transient thigh pain is increased after hydroxyapatite-coated stem insertion 5% (135/2622) 5 Porous-coated stems show increased rates of calcar atrophy 4% (100/2622) L 2 Question Complexity D Question Importance Select Answer to see Preferred Response SUBMIT RESPONSE 2 Review Tested Concept Review Full Topic