MBTPS1 and liver disorder: Regarding the severity of liver disease, solely C16DHC and C16Cer showed a positive correlation with the MELD score (Table 2, P < 0.05 and P < 0.001 respectively) whereas levels of C20Cer, C24Cer, S1P and SA1P were inverse proportional to the MELD score (Table 2, P < 0.01, P < 0.001, P < 0.001 and P < 0.05 respectively).