FEA-derived hip strength to density ratio and femoral , peripheral , and trabecular strength increased with ibandronate vs. placebo ( treatment differences : 4.1 % , P < 0.001 ; 5.9 % , P < 0.001 ; 2.5 % , P = 0.011 ; 3.5 % , P = 0.003 , respectively ) .
