Using an unconventional mathematical approach, a group of Japanese researchers say there may be no good reason to reduce LDL cholesterol more than 40 mg/dl. Their research letter has been published online in JAMA Internal Medicine.
According to the authors, members of the ALICE (All-Literature Investigation of Cardiovascular Evidence) Group, most meta-analyses use linear models that assume “a constantly increasing or decreasing risk as the exposure increases or decreases.” Linear models, however, can be “misleading,” they write, because they assume a specific dose-response relationship. By contrast, their new analysis utilizes “flexible” models that can more readily uncover “threshold effects.”
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