GPT and metabolic dysfunction-associated steatohepatitis: However, there was no correlation found between NASH scores and serum TG (R2 = 0.055, p = 0.318); between acoustic attenuation coefficient and serum TG (R2 = 0.189, p = 0.055); or between acoustic attenuation coefficient and serum ALT (R2 = 0.163, p = 0.076) (Fig. 5, lower).