Table 5.
Receiver operating characteristic curve analysis of the obesity indices for hypertension by age and gender
| AUC (95%CI) | P | Optimal cutoff point | Sensitivity (%) | Specificity (%) | Youden index | |
|---|---|---|---|---|---|---|
| Men | ||||||
| 21–29 years | ||||||
| PBF (%) | 0.63 (0.56–0.70) | 0.001 | 23.9 | 70.59 | 54.37 | 0.25 |
| VFA (cm2) | 0.61 (0.54–0.68) | 0.003 | 86.4 | 52.94 | 66.48 | 0.19 |
| BMI (kg/m2) | 0.62 (0.55–0.69) | 0.001 | 23.5 | 80.88 | 41.69 | 0.23 |
| 30–39 years | ||||||
| PBF (%) | 0.65 (0.61–0.69) | < 0.001 | 25.2 | 68.84 | 52.53 | 0.21 |
| VFA (cm2) | 0.66 (0.61–0.70) | < 0.001 | 88.4 | 66.33 | 57.47 | 0.24 |
| BMI (kg/m2) | 0.64 (0.60–0.68) | < 0.001 | 26.8 | 47.74 | 73.60 | 0.21 |
| WHR | 0.66 (0.62–0.70) | < 0.001 | 0.92 | 52.76 | 73.07 | 0.26 |
| 40–49 years | ||||||
| PBF (%) | 0.67 (0.62–0.71) | < 0.001 | 25.0 | 71.92 | 54.50 | 0.26 |
| VFA (cm2) | 0.66 (0.61–0.70) | < 0.001 | 96.1 | 61.08 | 64.45 | 0.26 |
| BMI (kg/m2) | 0.67 (0.62–0.71) | < 0.001 | 27.1 | 47.78 | 76.07 | 0.24 |
| WHR | 0.70 (0.65–0.74) | < 0.001 | 0.92 | 60.59 | 71.80 | 0.32 |
| 50–59 years | ||||||
| PBF (%) | 0.61 (0.56–0.66) | < 0.001 | 27.2 | 57.69 | 62.31 | 0.20 |
| VFA (cm2) | 0.60 (0.56–0.65) | < 0.001 | 87.5 | 80.77 | 38.32 | 0.19 |
| BMI (kg/m2) | 0.62 (0.57–0.67) | < 0.001 | 25.8 | 59.83 | 59.81 | 0.20 |
| WHR | 0.62 (0.58–0.67) | < 0.001 | 0.95 | 37.61 | 81.93 | 0.20 |
| 60–69 years | ||||||
| PBF (%) | 0.65 (0.60–0.70) | < 0.001 | 26.6 | 61.13 | 61.29 | 0.22 |
| VFA (cm2) | 0.620 (0.57–0.67) | < 0.001 | 106.9 | 58.30 | 59.68 | 0.18 |
| BMI (kg/m2) | 0.65 (0.61–0.70) | < 0.001 | 25.6 | 56.54 | 65.05 | 0.22 |
| WHR | 0.65 (0.60–0.70) | < 0.001 | 0.96 | 35.34 | 86.56 | 0.22 |
| 70–91 years | ||||||
| PBF (%) | 0.60 (0.53–0.67) | 0.005 | 28.7 | 51.72 | 65.52 | 0.17 |
| VFA (cm2) | 0.59 (0.52–0.66) | 0.012 | 85.9 | 80.60 | 36.78 | 0.17 |
| BMI (kg/m2) | 0.63 (0.56–0.70) | 0.001 | 25.0 | 53.88 | 66.67 | 0.21 |
| WHR | 0.61 (0.54–0.68) | 0.002 | 0.93 | 55.17 | 65.52 | 0.21 |
| Women | ||||||
| 21–29 years | ||||||
| VFA (cm2) | 0.61 (0.52–0.71) | 0.022 | 75.9 | 50.00 | 71.65 | 0.22 |
| BMI (kg/m2) | 0.58 (0.47–0.69) | 0.116 | 21.9 | 52.78 | 66.39 | 0.19 |
| WHR | 0.66 (0.58–0.74) | 0.001 | 0.84 | 61.11 | 67.50 | 0.29 |
| 30–39 years | ||||||
| PBF (%) | 0.58 (0.52–0.64) | 0.006 | 33.4 | 49.53 | 68.58 | 0.18 |
| VFA (cm2) | 0.60 (0.54–0.66) | < 0.001 | 88.0 | 53.27 | 69.60 | 0.23 |
| BMI (kg/m2) | 0.58 (0.51–0.64) | 0.009 | 24.3 | 42.06 | 78.05 | 0.20 |
| WHR | 0.60 (0.54–0.65) | 0.001 | 0.84 | 72.90 | 41.85 | 0.15 |
| 40–49 years | ||||||
| PBF (%) | 0.66 (0.62–0.71) | < 0.001 | 32.8 | 64.94 | 62.36 | 0.27 |
| VFA (cm2) | 0.67 (0.63–0.72) | < 0.001 | 82.8 | 78.57 | 52.25 | 0.31 |
| BMI (kg/m2) | 0.69 (0.64–0.73) | < 0.001 | 23.3 | 72.73 | 59.93 | 0.33 |
| WHR | 0.67 (0.63–0.72) | < 0.001 | 0.87 | 78.57 | 48.72 | 0.27 |
| 50–59 years | ||||||
| PBF (%) | 0.57 (0.53–0.61) | 0.001 | 36.3 | 44.96 | 66.61 | 0.12 |
| VFA (cm2) | 0.59 (0.55–0.63) | < 0.001 | 122.9 | 37.98 | 77.80 | 0.16 |
| BMI (kg/m2) | 0.59 (0.55–0.63) | < 0.001 | 26.4 | 29.46 | 85.58 | 0.15 |
| WHR | 0.58 (0.53–0.62) | < 0.001 | 0.92 | 44.96 | 67.91 | 0.13 |
| 60–69 years | ||||||
| PBF (%) | 0.60 (0.55–0.64) | < 0.001 | 35.6 | 55.52 | 62.03 | 0.18 |
| VFA (cm2) | 0.62 (0.57–0.66) | < 0.001 | 126.6 | 44.48 | 77.82 | 0.22 |
| BMI (kg/m2) | 0.64 (0.60–0.69) | < 0.001 | 25.2 | 46.82 | 75.19 | 0.22 |
| WHR | 0.59 (0.54–0.63) | < 0.001 | 0.95 | 32.44 | 82.33 | 0.15 |
| 70–91 years | ||||||
| PBF (%) | 0.62 (0.54–0.70) | 0.004 | 36.1 | 55.56 | 69.35 | 0.25 |
| VFA (cm2) | 0.60 (0.53–0.68) | 0.015 | 130.9 | 47.62 | 74.19 | 0.22 |
| BMI (kg/m2) | 0.64 (0.56–0.72) | 0.001 | 21.8 | 84.13 | 40.32 | 0.24 |
| WHR | 0.58 (0.50–0.67) | 0.046 | 0.89 | 70.37 | 48.39 | 0.19 |
PBF percentage body fat, VFA visceral fat area, BMI body mass index, WHR waist-hip ratio