Pediatr Gastroenterol Hepatol Nutr.
2020 May;23(3):276-285. 10.5223/pghn.2020.23.3.276.
A Nomogram for Predicting Non-Alcoholic Fatty Liver Disease in Obese Children
- Affiliations
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- 1Department of Pediatrics, Bundang Jasaeng General Hospital, Seongnam, Korea
- 2Department of Pediatrics, Seoul National University Bundang Hospital, Seongnam, Korea
- 3Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea
- KMID: 2502496
- DOI: http://doi.org/10.5223/pghn.2020.23.3.276
Abstract
- Purpose
Non-alcoholic fatty liver disease (NAFLD) ranges in severity from simple steatosis to steatohepatitis. Early detection of NAFLD is important for preventing the disease from progressing to become an irreversible end-stage liver disease. We developed a nomogram that allows for non-invasive screening for NAFLD in obese children.
Methods
Anthropometric and laboratory data of 180 patients from our pediatric obesity clinic were collected. Diagnoses of NAFLD were based on abdominal ultrasonographic findings. The nomogram was constructed using predictors from a multivariate analysis of NAFLD risk factors.
Results
The subjects were divided into non-NAFLD (n=67) and NAFLD groups (n=113). Factors, including sex, body mass index, abdominal circumference, blood pressure, insulin resistance, and levels of aspartate aminotransferase, alanine aminotransferase (ALT), γ-glutamyl transpeptidase (γGT), uric acid, triglycerides, and insulin, were significantly different between the two groups (all p<0.05) as determined using homeostatis model assessment of insulin resistance (HOMA-IR). In our multivariate logistic regression analysis, elevated serum ALT, γGT, and triglyceride levels were significantly related to NAFLD development. The nomogram was established using γGT, uric acid, triglycerides, HOMA-IR, and ALT as predictors of NAFLD probability.
Conclusion
The newly developed nomogram may help predict NAFLD risk in obese children. The nomogram may also allow for early NAFLD diagnosis without the need for invasive liver biopsy or expensive liver imaging, and may also allow clinicians to intervene early to prevent the progression of NAFLD to become a more advanced liver disease.
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