Sensitivity Analysis Results; Costs, Discount Rate, Fracture Risk, Nursing Home Probability.

aIncremental cost-effectiveness of osteoporosis screening followed by alendronate treatment, compared to no screening with treatment only if fracture occurs; in 2010 US dollars per quality-adjusted life-year (QALY).bHigh fracture-related, nursing home, and dual-energy x-ray absorptiometry costs (high values of the sensitivity analysis range for costs shown in Table S1).cDiscount rate for future costs and health state utilities of 5% annually.dFracture risks (hip, vertebral, and wrist) 50% lower than in base-case analysis.eProbability of nursing home admission after hip fracture of 30%.fLifetime direct costs saved.