I removed that sentence because, as best as I could tell over the paywall, it was not supported by the reference. I say no reference to a 90% rate in the entire population (just those 70+), and even if it were, the wording suggests a much higher incidence than there actually is.
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A bit about me
I'm Doc James, user Jmh649. In real life I go by James Heilman. I am a Canadian ER doc. My hobbies and interests include preventative medicine and popular science. I have been editing here since July 6th, 2008.
P.S. My spelling and grammar are poor, so thank you for correcting them. If something I write is completely unintelligible, please send me a request for clarification. Note User:Docjames is a different editor.
It is not the critic who counts; not the man who points out how the strong man stumbles, or where the doer of deeds could have done them better. The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood; who strives valiantly; who errs, who comes short again and again, because there is no effort without error and shortcoming; but who does actually strive to do the deeds; who knows great enthusiasms, the great devotions; who spends himself in a worthy cause; who at the best knows in the end the triumph of high achievement, and who at the worst, if he fails, at least fails while daring greatly, so that his place shall never be with those cold and timid souls who neither know victory nor defeat.Theodore Roosevelt[1] I am a proud fighter for open knowledge.[2]
Marx, John (2010). Rosen's emergency medicine: concepts and clinical practice 7th edition. Philadelphia, PA: Mosby/Elsevier. ISBN9780323054720. {{cite book}}: Cite has empty unknown parameter: |coauthors= (help)
Tintinalli, Judith E. (2010). Emergency Medicine: A Comprehensive Study Guide (Emergency Medicine (Tintinalli)). New York: McGraw-Hill Companies. ISBN0-07-148480-9.
Haigh, CA (2011 Feb). "Wikipedia as an evidence source for nursing and healthcare students". Nurse education today. 31 (2): 135–9. PMID20646799. {{cite journal}}: Check date values in: |date= (help)
^Roosevelt, Theodore (April 23, 1910). "Citizenship in a Republic"(Speech). Sorbonne, Paris. Retrieved 9 May 2011. {{cite web}}: Unknown parameter |month= ignored (help)CS1 maint: date and year (link)
I removed that sentence because, as best as I could tell over the paywall, it was not supported by the reference. I say no reference to a 90% rate in the entire population (just those 70+), and even if it were, the wording suggests a much higher incidence than there actually is.