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Table 3 Optimal cutoffs of waist circumference in different HOMA-IR values from ROC curve analysis

From: Waist circumference and insulin resistance: a cross-sectional study of Japanese men

HOMA-IR

Prevalence (%)

Cutoff of WC (cm)

Sensitivity (%)

Specificity (%)

Youden index

1.50

34.9

80

91.5

39.5

0.310

  

85

70.4

70.0

0.403

  

90

38.8

89.5

0.284

2.00

20.3

80

94.0

34.4

0.285

  

85

78.0

64.5

0.425

  

90

47.6

86.6

0.342

2.50

12.0

80

96.0

32.0

0.280

  

85

83.8

61.3

0.451

  

90

56.1

84.5

0.406

3.00

7.8

80

96.3

30.7

0.270

  

85

85.3

59.3

0.446

  

90

60.1

83.0

0.430

  1. ROC, receiver operating characteristics; HOMA-IR, homeostasis model assessment of insulin resistance; WC, waist circumference.