Around 1 in 5 people who experience a hip fracture die within a year.
Leibson C, Tosteson A, Gabriel S, Ransom J, et al. Mortality, Disability, and Nursing Home Use for Persons with and without Hip Fracture: A population-based study. J Am Geriatr Soc. 2002; 50(10): 1644-50. http://www.blackwell-synergy.com/doi/abs/10.1046/j.1532-5415.2002.50455.x