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Table 4 Comparisons of BMI, WC and WHtR among three groups

From: Distribution of risk factors of hypertension patients in different age groups in Tianjin

Fat index Gender Age group Cut-off value Sensitivity Specificity AUC (95% CI)
BMI male youth 26.45 0.624 0.671 0.697 (0.664,0.731)
middle-aged 26.15 0.622 0.607 0.661 (0.650,0.673)
elderly 25.05 0.708 0.516 0.650 (0.627,0.673)
female youth 26.05 0.615 0.765 0.747 (0.712,0.782)
middle-aged 26.05 0.583 0.665 0.673 (0.664,0.681)
elderly 26.65 0.521 0.681 0.638 (0.617,0.660)
WC male youth 86.9 0.521 0.715 0.686 (0.653,0.719)
middle-aged 90.1 0.651 0.592 0.665 (0.653,0.676)
elderly 91.9 0.609 0.596 0.640 (0.617,0.664)
female youth 83.5 0.593 0.753 0.731 (0.695,0.768)
middle-aged 85.45 0.603 0.664 0.685 (0.676,0.693)
elderly 87.3 0.629 0.568 0.635 (0.614,0.656)
WHtR male youth 0.51 0.749 0.530 0.692 (0.659,0.725)
middle-aged 0.52 0.725 0.524 0.670 (0.658,0.681)
elderly 0.54 0.667 0.539 0.638 (0.615,0.662)
female youth 0.52 0.593 0.775 0.730 (0.695,0.766)
middle-aged 0.53 0.679 0.596 0.690 (0.682,0.698)
elderly 0.54 0.745 0.448 0.631 (0.610,0.653)
  1. Abbreviation: BMI Body mass index; WC Waist circumference; WHtR Waist-to-height ratio