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The influence of optimal medical treatment on the ‘obesity paradox’, body mass index and long-term mortality in patients treated with percutaneous coronary intervention: a prospective cohort study
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  • Published on:
    bias and confounding

    There are major concerns related to confounding and bias in this study. More intensive medication in the obese subjects is obviously mainly due to twice as high prevalence rates of hypertension and diabetes compared to subjects with normal BMI. Do the authors suggest that diabetes and hypertension improve life expectancy? Statin use was apparently not different across BMI categories. On the other hand, antidabetic drug t...

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    Conflict of Interest:
    None declared.