Ibandronate improved vertebral , peripheral , and trabecular strength and anteroposterior bending stiffness vs. placebo [ 7.1 % ( P < 0.001 ) , 7.8 % ( P < 0.001 ) , 5.6 % ( P = 0.023 ) , and 6.3 % ( P < 0.001 ) , respectively ] .
