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. 2012 Sep 6;345:e5244. doi: 10.1136/bmj.e5244

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© Nielsen et al 2012

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-commercial License, which permits use, distribution, and reproduction in any medium, provided the original work is properly cited, the use is non commercial and is otherwise in compliance with the license. See: http://creativecommons.org/licenses/by-nc/2.0/ and http://creativecommons.org/licenses/by-nc/2.0/legalcode.

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graphic file with name nies003263.f2_default.jpg — Fig 2 Risk of autoimmune rheumatic diseases as a function of doubling of rheumatoid factor level in 9712 participants in the Copenhagen City Heart Study followed for up to 28 years. All hazard ratios were multivariable adjusted (see text for details)