It is not clear, the researchers said, whether specific inflammatory markers, such as C-reactive protein, or other unmeasured confounders are the explanation for the association.

• 研究人员指出，尚不清楚是否存在C反应蛋白等特异性炎症标志物、或者其他难以测定的混杂因素，用以解释此两者之间的关系。