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Table 4 Area under the receiver operating characteristic (ROC) curve (AUC) and 95% confidence interval for the prediction of hypertension according to anthropometric measurements obtained at baseline (2002) by age group in men and women

From: Is waist-to-height ratio the best predictive indicator of hypertension incidence? A cohort study

Age group Number AUC (95% CI) p for all* p for comparison in pairs*
BMI WC WHtR BMI vs.WC BMI vs. WHtR WC vs. WHtR
Men
  < 40 86 0.56 (0.43–0.69) 0.62 (0.49–0.74) 0.59 (0.46–0.72) 0.358 0.348 0.575 0.170
  ≥ 40 66 0.57 (0.42–0.73) 0.54 (0.39–0.68) 0.50 (0.34–0.64) 0.158 0.648 0.294 0.091
 Total 152 0.53 (0.44–0.63) 0.59 (0.49–0.68) 0.57 (0.48–0.66) 0.305 0.232 0.422 0.219
Women
  < 40 197 0.63 (0.54–0.73) 0.65 (0.56–0.73) 0.62 (0.53–0.71) 0.214 0.682 0.555 0.080
  ≥ 40 122 0.61 (0.50–0.71) 0.64 (0.53–0.75) 0.65 (0.55–0.75) 0.553 0.352 0.276 0.567
 Total 319 0.64 (0.58–0.71) 0.68 (0.62–0.74) 0.69 (0.63–0.75) 0.130 0.057 0.045 0.780
Total sample 471 0.62 (0.57–0.67) 0.66 (0.61–0.71) 0.64 (0.59–0.69) 0.125 0.064 0.271 0.225
  1. AUC Area under the curve, CI Confidence interval, BMI Body mass index, WC Waist circumference, WHtR Waist-to-height ratio, vs. versus. *p Value of difference between AUC (p < 0.05)
  2. Firminópolis, Brazil (2002–2015)