Event type: 1 = death; 2 = liver transplant; 3 = histologic progression; 4 = appearance of esophogeal varices
Event type: 5 = ascites; 6 = encephalopathy; 7 = doubling of bilirubin; 8 = worsening of symptom score by 2
Source: Lindor, K. D., E. R. Dickson, W. P. Baldus, R. A. Jorgensen, J. Ludwig, P. A. Murtaugh, J. M. Harrison, R. H. Wiesner, M. L. Anderson, S. M. Lange, G. LeSage, S. S. Rossi, and A. F. Hofman. 1994. Ursodeoxycholic acid in the treatment of primary biliary cirrhosis. Gastroenterology 106: 1284-1290. https://doi.org/10.1016/0016-5085(94)90021-3.