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Table 3 Discrimination performance of parameters to detect ≥ 2 metabolic risk factorsa excluding waist circumference in males

From: Identifying metabolic syndrome in migrant Asian Indian adults with anthropometric and visceral fat action points

 

AUC (95% CI)

P-value vs. waist

Threshold-specific metric

Cut-pointb

Sensitivity (%)

Specificity (%)

PPV (%)

NPV (%)

Accuracy (%)

Waist

0.67 (0.55–0.79)

–

92 cm

60

68

69

58

63

Waist:height ratio

0.64 (0.52–0.76)

0.34

0.55

58

65

67

56

61

Waist:hip ratio

0.59 (0.46–0.72)

0.11

0.92

76

46

63

61

62

Conicity index

0.63 (0.51–0.76)

0.45

1.26

84

41

63

68

65

SD, DXA

0.70 (0.59–0.81)

0.40

23 cm

64

65

69

60

65

SD, anthropometricc

0.60 (0.45–0.75)

0.47

23.8 cm

32

93

82

59

63

Suprailiac SFT

0.68 (0.56–0.80)

0.86

30 mm

51

84

79

58

66

BMI

0.67 (0.55–0.78)

0.94

24 kg/m2

76

51

65

63

65

Body adiposity index

0.59 (0.47–0.72)

0.23

27.5%

44

78

71

54

60

VFM, DXA

0.73 (0.62–0.84)

0.25

125 g

76

76

69

67

68

VFM, predictedd

0.67 (0.55–0.79)

0.95

143 g

53

78

75

58

65

  1. CI confidence interval; DXA dual-energy X-ray absorptiometry; NPV negative predictive value; PPV positive predictive value; SD sagittal diameter; SFT skinfold thickness; VFM visceral fat mass; waist waist circumference
  2. aIDF criteria for metabolic syndrome other than waist circumference
  3. bBased on maximum Youden index
  4. cn = 57 (25 measurements missing)
  5. dVFM (g) = 2.248 × WC (cm) + 4.441 × BMI (kg/m2) + 1.013 × Age (y) − 227.773 (R2 = 0.65, standard error of estimate = 30.1 g)