The mean NAS values are shown for subjects above and below SF 1.5XULN according to each hepatic iron deposition pattern including subjects without iron deposition; HC, RES and mixed HC/RES groups. Significant differences between groups, determined using multivariate ordinal regression modeling after controlling for the covariates BMI, age, sex, type 2 diabetes and serum ALT level, are indicated by arrows. Standard deviations are indicated by the error bars.