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Table 2 Association of BMI z-score calculated according to WHO and CDC criteria with metabolic syndrome and insulin resistance (based on receiver operating characteristic (ROC) and logistic regression analysis)

From: Comparison between CDC and WHO BMI z-score and their relation with metabolic risk markers in Northern Portuguese obese adolescents

 

ROC

Logistic Regression 1)

 

WHO

CDC

 
 

AUC

expB (95% CI)

Metabolic syndrome

   

Total population (n = 246; MS = 61)

0.680**

0.703**

CDC 15.66** (5.16-47.59)

Male Age group 1 (n = 57; MS = 9)

0.508

0.543

CDC 17.55** (3.90-79.06); Age* 3.65 (1.14-11.70)

Male Age group 2 (n = 67; MS = 27)

0.763**

0.788**

Female Age group 1 (n = 39; MS = 12)

0.642

0.636

WHO 2.76* (1.36-5.60); Age* 0.39 (0.15-0.99)

Female Age group 2 (n = 83; MS = 13)

0.693*

0.664

Insulin resistance

   

Total population (n = 246; IR = 190)

0.655**

0.680**

CDC 10.86** (3.64-32.46)

Male Age group 1 (n = 57; IR = 39)

0.551

0.582

CDC 8.18* (1.97-33.96)

Male Age group 2 (n = 67; IR = 53)

0.720*

0.739*

Female Age group 1 (n = 39; IR = 32)

0.777**

0.777**

CDC 21.77** (3.76-126.02)

Female Age group 2 (n = 83; IR = 66)

0.696*

0.689*

  1. *, P < 0.05; **, P < 0.001; 1)adjusted for age groups; insulin resistance defined as HOMA-IR ≥ 2.5; metabolic syndrome defined according to the International Diabetes Federation; age group 1: males <13 years and females <12 years; age group 2: males ≥ 13 years, females ≥ 12 years; AUC, area under the curve; CDC, Center for Disease Control and Prevention; CI, confidence interval; IR, insulin resistance; ROC, Receiver operating characteristic; MS, metabolic syndrome; WHO, World Health Organization.
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Diabetology & Metabolic Syndrome

ISSN: 1758-5996

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