Peripheral blood samples of the NHANES participants were analyzed at the Mobile Examination Centers (MEC) using a Beckman Coulter HMX Hematology Analyzer. Lymphocyte, neutrophil, monocyte, and platelet counts were measured via complete blood count, and were presented as ×103 cells/μL. The SII and SIRI levels were calculated using the following formulas: platelet count × neutrophil count/lymphocyte count, monocyte count × neutrophil count/lymphocyte count, respectively. These values were expressed as ×103 cells/μL based on previous studies (4 (link), 14 (link), 15 (link)). SII and SIRI were considered as exposure variables in this study.
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