A second limitation was the relatively small number of patients with grade 3 and 4 steatosis. We observed a non-significant difference between ST medians, 0.70 for grade 3 versus 0.75 for grade 4.

Validation group 2 with HCV cured patients had quasi-normal characteristics with normal liver tests and only 11% grade 2 4 steatosis. In the training group the most significant components ...