PMID- 17031009
OWN - NLM
STAT- MEDLINE
DCOM- 20070109
LR  - 20190911
IS  - 0731-5724 (Print)
IS  - 0731-5724 (Linking)
VI  - 25
IP  - 5
DP  - 2006 Oct
TI  - Screening performances of the International Obesity Task Force body mass index 
      cut-off values in adolescents.
PG  - 403-8
AB  - OBJECTIVE: To try to improve the International Obesity Task Force (IOTF) BMI 
      cut-off values, in terms of prediction of body fat percentage assessed by 
      dual-energy X-ray absorptiometry (DXA), in adolescents. METHODS: Cross-sectional 
      survey of the adolescents from the city of Zaragoza (Spain). For this analysis we 
      have included 286 adolescents (116 boys and 170 girls) aged 13.0-17.9 years. Body 
      mass index (BMI) was calculated as body weight (kg), divided by height (m) 
      squared. The percentage of body fat (BF%) was estimated by the use of DXA. 
      RESULTS: We have calculated, new BMI cut-off values (AVENA cut-offs) to predict 
      BF%, for boys and girls in each age group. In male adolescents, sensitivity was 
      higher with the IOTF cut-offs (0.71, 95th C.I.: 0.44, 0.90) than with the AVENA 
      ones (0.53, 95th C.I.: 0.28, 0.77), and specificity was very similar with both 
      cut-off values (0.86 and 0.88, respectively), the differences being not 
      statistically significant. In girls, both sensitivities (0.75 and 0.79, 
      respectively) and specificities (0.90 and 0.92, respectively) were very similar 
      with both cut-off values, and the differences, not significant. CONCLUSIONS: 
      Optimization of the IOTF BMI cut-off values, in terms of BF%, seems not to be 
      possible in adolescents. The IOTF criteria should be used only for overweight and 
      obesity screening; however, in clinical settings, a more accurate measure of body 
      fat should be recommended.
FAU - Moreno, Luis A
AU  - Moreno LA
AD  - Department of Pediatrics, University School of Health Sciences, University of 
      Zaragoza, Zaragoza, Spain. lmoreno@unizar.es
FAU - Blay, Maria G
AU  - Blay MG
FAU - Rodriguez, Gerardo
AU  - Rodriguez G
FAU - Blay, Vicente A
AU  - Blay VA
FAU - Mesana, Maria I
AU  - Mesana MI
FAU - Olivares, Jose L
AU  - Olivares JL
FAU - Fleta, Jesus
AU  - Fleta J
FAU - Sarria, Antonio
AU  - Sarria A
FAU - Bueno, Manuel
AU  - Bueno M
CN  - AVENA-Zaragoza Study Group
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
PL  - United States
TA  - J Am Coll Nutr
JT  - Journal of the American College of Nutrition
JID - 8215879
SB  - IM
MH  - Absorptiometry, Photon/methods
MH  - Adipose Tissue/metabolism
MH  - Adolescent
MH  - Body Composition/*physiology
MH  - *Body Mass Index
MH  - Cross-Sectional Studies
MH  - Female
MH  - Humans
MH  - Male
MH  - Mass Screening
MH  - Obesity/*classification/*diagnosis
MH  - Reference Standards
MH  - Sensitivity and Specificity
MH  - Sex Factors
EDAT- 2006/10/13 09:00
MHDA- 2007/01/11 09:00
CRDT- 2006/10/13 09:00
PHST- 2006/10/13 09:00 [pubmed]
PHST- 2007/01/11 09:00 [medline]
PHST- 2006/10/13 09:00 [entrez]
AID - 25/5/403 [pii]
AID - 10.1080/07315724.2006.10719552 [doi]
PST - ppublish
SO  - J Am Coll Nutr. 2006 Oct;25(5):403-8. doi: 10.1080/07315724.2006.10719552.