Silver Book Fact
The 1-year morality after a hip fracture increases from 20% in individuals younger than 70 years, to close to 40% in those between 80 and 89.9 years old.
Miller P. Management of Osteoporosis. Adv Intern Med. 1999; 44: 175-207. http://www.ncbi.nlm.nih.gov/pubmed/9929709