Table 2

Resultant SUMIHDEHD‘‘ score from intrahepatic (IHD) and extrahepatic (EHD) disease. The score can be read from the intersection of the pertaining EHD row and IHD column (the combination 0–0 is non-existent because it would preclude a diagnosis of primary sclerosing cholangitis)

IHD
0IIIIII
EHD
    0233
    I1233
    II2334
    III3345
    IV3345