Nonlinear association of BMI with all-cause and cardiovascular mortality in type 2 diabetes mellitus: a systematic review and meta-analysis of 414,587 participants in prospective studies.

In the analysis restricted to men (nine studies, 141,709 participants/24,230 events), the lowest risk was between 31 and 35 kg/m 2 , with an increased risk for values lower than 31 kg/m 2 and a slightly non-significant increase for values higher than 35 kg/m 2 ( p value for no exposure–disease association 0.0034; p value for nonlinearity 0.001).

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