Table 1 Demographic, biochemical, and clinical characteristics of 169 PSC cases diagnosed within a northern Californian HMO in the 2000-2006 period
Age at diagnosis, years | 44.2 ± 17.4 | (11-81) |
Males, n (%) | 101 (59.8) | Â |
Ethnicity,n (%) | Â | Â |
   White | 51 (30.2) |  |
   African American | 15 (8.9) |  |
   Hispanic | 9 (5.3) |  |
   Asian/Pacific Islander | 3 (1.8) |  |
   Other/Unknown | 91 (53.8) |  |
Laboratory Values at Diagnosis | Â | Â |
   Alkaline Phosphatase, IU/L | 283.4 ± 256.8 | (30 - 1355) |
   Aspartate Aminotransferase, IU/L | 66 ± 65.7 | (13 - 407) |
   Alanine Aminotransferase, IU/L | 70.3 ± 71.9 | (11 - 339) |
   Total bilirubin, g/dL | 2.3 ± 3.7 | (0.2 - 19.7) |
   Serum albumin, g/dL | 3.8 ± 0.8 | (1.3 - 5.1) |
   International Normalized Ratio | 1.1 ± 0.2 | (0.9 - 2.7) |
   MELD | 9.6 + 4.1 | (6.4 - 27.4) |
IBD, n (%) | 109 (64.5) | Â |
   Ulcerative colitis | 95 (56.2%) |  |
   Crohn's disease | 13 (7.7%) |  |
   Indeterminate colitis | 1 (0.6%) |  |
Outcomes, n | Â | Â |
   Liver Transplantation | 23 |  |
   Cholangiocarcinoma | 7 |  |
   Death | 25 |  |