12/27/2023 0 Comments Hemoglobin a1c normal range for female![]() A logistic regression analysis was used to evaluate the odds ratios (ORs) of the WBC quartile for HbA1c levels of ≥5.7%, ≥6.1%, and ≥6.5% treating age, gender, FPG, college graduation, smoking history, waist circumference, presence of hypertension, serum total cholesterol, serum TG, and presence of anemia as covariates. Adjustment for confounding factors in Model 3 was performed after exclusion of FPG ≥126 mg/dL in Model 4. ![]() Model 3 adjusted for college graduation, smoking history (never, past, or current), waist circumference, presence of hypertension, serum total cholesterol, serum TG, presence of anemia (defined in accordance with the World Health Organization criteria: hemoglobin <13 g/dL in men and <12 g/dL in women), age, gender, and FPG level. Age (years), gender (men/women), and FPG level (mmol/L) were adjusted in Model 2. General linear models were used to assess HbA1c levels and the proportion (%) of HbA1c levels of ≥5.7%, ≥6.1%, and ≥6.5% according to WBC quartile before (Model 1) and after (Models 2, 3, and 4) adjustment for confounders. To compare age- and gender-adjusted demographics and clinical characteristics according to WBC quartile, analysis of covariance (ANCOVA) and the Bonferroni post hoc test were used. Difference in age according to WBC quartile was evaluated with analysis of variance, and the percentage of females was evaluated with the chi-square test. Statistical analyses We classified WBC levels into the following four groups. Because the dataset did not include any personal information and participants' consent had already been given for the KNHANES, our study was exempt from the requirement for participant consent. After approval of the study proposal, the KNHANES dataset was made available at the request of the investigator. Ethics statement This study was approved by the Institutional Review Board of Inje University Ilsan Paik Hospital, Republic of Korea (ISPAIK 1). WBC were quantified using an automated blood cell counter (ADIVA 120, Bayer, Tarrytown, NY, USA). HbA1c was measured using high-performance liquid chromatography (HLC-723G7, Tosoh, Tokyo, Japan). ![]() ![]() Total cholesterol, FPG, triglyceride (TG), and high density lipoprotein (HDL) cholesterol levels were measured using a Hitachi Automatic Analyzer 7600 (Hitachi, Tokyo, Japan). ![]() Laboratory methods Blood samples were collected in the morning after fasting for at least 8 hours. This study included subjects who were diagnosed as hypertension (defined as systolic BP ≥140 mm Hg and/or diastolic BP ≥90 mm Hg) without anti-hypertensive medication and diabetes (defined as a FPG level ≥7.0 mmol/L) without anti-diabetes medication. Finally, data from the remaining 7,116 participants were analyzed ( Fig. Methods Among the 11,472 people (≥19 years of age) who participated in the 2011 to 2012 Korea National Health and Nutrition Examination, subjects with chronic disease or illness, including 807 patients with diabetes currently taking anti-diabetic medications and/or 1,149 subjects with WBC levels 10,000/µL were excluded.Background We examined whether white blood cell (WBC) count levels within normal range, could be associated with hemoglobin A1c (HbA1c) levels. ![]()
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