Review
Copyright ©2010 Baishideng.
World J Hepatol. Jul 27, 2010; 2(7): 275-288
Published online Jul 27, 2010. doi: 10.4254/wjh.v2.i7.275
Table 1 Studies providing an estimate of nonalcoholic fatty liver disease in the pediatric population
Authors/year/countrySample size (n)Age range (yr)Clinical characteristicsCriteriaPrevalence (%)
Tominaga et al/1995/Japan[4]8104-12Population-based (Japan)Ultrasound echogenicity2.60
Strauss et al/2000/USA[5]245012-18Population-based (NHANES III)Elevated ALT (> 30 U/L)3.00
Park et al/2005/Korea[6]159410-19Population-based (Korean NHANES)Elevated ALT (> 40 U/L)3.20
Schwimmer et al/2006/USA[7]7422-19Population-based (Autopsy data, San Diego County)Liver histology with ≥ 5% hepatocytes containing fat9.60
Tominaga et al/2009/Japan[8]8466-15Population-based (Japan)Ultrasound echogenicity4.40
Alavian et al/2009/Iran[9]9667-18Population-based (Iran)Ultrasound echogenicity7.10
Tazawa et al/1997/Japan[10]3106-11Obese cohort (% IBW/height over 120)Elevated ALT (> 30 U/L)24.00
Franzese et al/1997/Italy[11]724-15Obese cohort (% IBW/height over 120)Ultrasound echogenicty53.00
Guzzaloni et al/2000/Italy[12]3758-16Obese cohort (BMI > 2 SD for chronologic age)Ultrasound echogenicity42.00
Chan et al/2004/China[13]847-18Obese cohort (BMI > 95th percentile)Ultrasound echogenicty77.00
Flores-Calderon et al/2005/Mexico[14]808-10Overweight (> 85th) and obese (> 95th percentile) cohortElevated ALT (> 40 U/L)42.00
Louthan et al/2005/USA[15]1814-17Obese cohort (BMI > 95th percentile)Elevated ALT (> 40 U/L)8.00
Quiros-Tejeira et al/2007/USA[16]5174-19Obese cohort (BMI > 95th percentile)Elevated ALT (> 97.5th percentile for age-and sex-specific reference values)24.00
Rocha et al/2009/Brazil[17]17512-15Obese cohort (WC > 75th percentile)Ultrasound echogenicity1.70
Denzer et al/2009/Germany[18]5328-19Obese cohort (BMI > 90th percentile)Ultrasound echogenicity28.00
Papandreou et al/2009/Greece[19]439-13Obese cohortUltrasound echogenicity42.00