Fig. 1From: Utilization of five data mining algorithms combined with simplified preprocessing to establish reference intervals of thyroid-related hormones for non-elderly adultsFlowchart of the study design. Detail description of the study design are provided in the Method section. Abbreviation: SBP, systolic blood pressure, DBP, diastolic blood pessure; TPO-Ab, thyroid peroxidase antibody; Tg-Ab, thyroglobulin antibody; FT4, free thyroxine; TT4, total thyroxine; FT3, free triiodothyronine; TT3, total triiodothyronine; Serious acute or chronic illnesses* refer to previous or current serious circulatory, respiratory, urinary, digestive, autoimmune, metabolic, nutritional, hematological, or endocrine diseases, acute or chronic infections, and tumorsBack to article page