Erratum to: Socioeconomic status as a moderator between frailty and mortality at old ages
© The Author(s). 2016
Received: 19 August 2016
Accepted: 19 August 2016
Published: 8 September 2016
The original article was published in BMC Geriatrics 2016 16:151
Unfortunately, the original version of this article  contained an error within the results section of the abstract. The sentence beginning with “We found that a one percentage point increase” read “....HR = 1.027, 95 % CI: 1.025–1.027…” but should have read “…HR = 1.027, 95 % CI: 1.025–1.029…” The upper limit of “1.027” was wrong, and was inconsistent with Table 2. This has been corrected in the original article.
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