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(A) Surface roughness Ra, (B) fractal dimension Df, (C) contact angles and (D) the amount of protein adsorption for various coatings. *P<0.05, **P<0.01, ***P<0.001, ****P<0.0001 when compared with C0; #P<0.05, ##P<0.01, ###P<0.001 when compared with C8; ++P<0.01, +++P<0.001 when compared with C16. C0, HA coating; C8–C16, differently CHA coatings.
Abbreviations: CHA, carbonated hydroxyapatite; HA, hydroxyapatite.
