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Am J Gastroenterol. 2007 Sep;102(9):1931-8. Epub 2007 May 19.

Usefulness of a combined evaluation of the serum adiponectin level, HOMA-IR, and serum type IV collagen 7S level to predict the early stage of nonalcoholic steatohepatitis.

Author information

1
Department of Gastroenterology, Kanazawa Medical University, Ishikawa, Japan.

Abstract

OBJECTIVE:

Since nonalcoholic steatohepatitis (NASH) may progress to cirrhosis, it is important to differentiate NASH from simple steatosis, especially in its early stages. However, a liver biopsy cannot be performed in all patients with nonalcoholic fatty liver disease (NAFLD). We herein investigated whether serum biochemical markers are useful for predicting early-stage NASH.

METHOD:

Nineteen patients with simple steatosis and 66 patients with early-stage NASH (stage 1-2 in Brunt's criteria) were studied. The area under the receiver operating characteristic curve (AUC) was used to illustrate the diagnostic ability of serum biochemical parameters to distinguish between simple steatosis and early-stage NASH.

RESULTS:

The serum adiponectin level was found to be significantly lower with early-stage NASH group (3.6 mug/mL) than in the simple steatosis group (6.0 mug/mL) (P < 0.001). The AUC was high (0.765) in the early-stage NASH group, and it was also the highest among all other markers. The sensitivity of the serum adiponectin level in the diagnosis of early-stage NASH was 68%, which was higher than for any other factors, while its specificity was 79%. The corresponding sensitivity and specificity of HOMA-IR were 51% and 95%, respectively. For type IV collagen 7S, sensitivity was 41% and specificity 95%. The sensitivity of the combination of three markers was 94%, with a specificity of 74%.

CONCLUSION:

Approximately 90% of the patients with early-stage NASH can be predicted by a combined evaluation of the serum adiponectin level, HOMA-IR, and serum type IV collagen 7S level.

[Indexed for MEDLINE]

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