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Table 4 Area under the receiver-operating characteristic curves (AUC) for WC and WHtR indices among Colombian children and adolescents aged 9–17.9 years

From: Using LMS tables to determine waist circumference and waist-to-height ratios in Colombian children and adolescents: the FUPRECOL study

 

WC

WHtR

 

Overweight

Obesity

Overweight

Obesity

Children

Boys

(9–12.9 y)

Girls

(9–12.9 y)

Boys

(9–12.9 y)

Girls

(9–12.9 y)

Boys

(9–12.9 y)

Girls

(9–12.9 y)

Boys

(9–12.9 y)

Girls

(9–12.9 y)

AUC (95% CI)

0.895

(0.874–0.917)

0.889

(0.872–0.906)

0.882

(0.845–0.919)

0.904

(0.878–0.929)

0.868

(0.843–0.893)

0.881

(0.862–0.897)

0.882

(0.843–0.922)

0.899

(0.873–0.925)

Optimal cut-offs

62.7

62.8

67.9

65.9

0.459

0.436

0.485

0.472

J-Youden

0.643

0.647

0.647

0.698

0.634

0.625

0.697

0.68

Sensitivity (%)

89.8%

82.1%

80.3%

87.0%

78.2%

84.6%

83.5%

79.3%

Specificity (%)

74.5%

82.6%

84.4%

82.8%

85.2%

77.9%

86.2%

88.7%

LR (+)

3.52

4.72

5.15

5.06

5.28

3.83

6.05

7.02

LR (−)

0.14

0.22

0.23

0.16

0.26

0.20

0.19

0.23

 

Overweight

Obesity

Overweight

Obesity

Adolescents

Boys

(13–17.9 y)

Girls

(13–17.9 y)

Boys

(13–17.9 y)

Girls

(13–17.9 y)

Boys

(13–17.9 y)

Girls

(13–17.9 y)

Boys

(13–17.9 y)

Girls

(13–17.9 y)

AUC (95% CI)

0.862

(0.829–0.894)

0.878

(0.861–0.895)

0.850

(0.789–0.911)

0.892

(0.864–0.919)

0.902

(0.876–0.929)

0.887

(0.871–0.904)

0.916

(0.871–0.962)

0.914

(0.888–0.94)

Optimal cut-offs

73.8

68.9

74.1

76.6

0.458

0.445

0.463

0.468

J-Youden

0.630

0.605

0.631

0.550

0.699

0.619

0.762

0.704

Sensitivity (%)

75.5%

81.9%

81.7%

63.4%

78.6%

82.2%

91.7%

90.3%

Specificity (%)

87.5%

78.6%

81.4%

91.6%

91.3%

79.7%

84.5%

80.1%

LR (+)

6.04

3.83

4.39

7.55

9.03

4.05

5.92

4.54

LR (−)

0.28

0.23

0.22

0.40

0.23

0.22

0.10

0.12

  1. AUC area under curve, LR (+) positive likelihood ratio, LR (−) negative likelihood ratio