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Table 4 Neck circumference cut-offs points to identify metabolic syndrome, low-grade systemic inflammation and insulin resistance in study sample according to gender

From: Neck circumference as a predictor of metabolic syndrome, insulin resistance and low-grade systemic inflammation in children: the ACFIES study

  Cutoffs (cm) Sensitivity (%) Specificity (%) AUC (IC 95 %) Youden’s index
Metabolic Syndrome
  Girls 28.5 87.50 53.61 0.73 (0.68 - 0.78) 0.41
  Boys 29 100 45.37 0.74 (0.68 - 0.78) 0.45
Low-grade systemic inflammation
  Girls 29.3 42.02 69.15 0.55 (0.49 - 0.60) 0.11
  Boys 29.2 54.62 51.63 0.53 (0.47 - 0.58) 0.06
Insulin resistance
  Girls 29 50.00 62.35 0.57 (0.51 - 0.62) 0.12
  Boys 30 52.54 61.19 0.54 (0.49 - 0.59) 0.13
  1. Receiver operating characteristic (ROC) analyzes. Youden’s index = Sensitivity + Specificity – 1