Figure 1. Number Needed to Screen to Prevent One Hip Fracture in 5 Years

$Number needed to screen without risk factors to prevent one hip fracture: from ages 50-54: 7,500; 55-59: 4,250; 60-64: 1,900; 65-69: 750; 70-74: 200; and 75-79: 100. Number needed to screen with risk factors: from ages 50-54: 4,300; 55-59: 2,500; and 60-64: 1,100.$

The number needed to screen decreases with advancing age and for women under age 65 with with at least one risk factor.

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