Table 2.
Comparison of characteristics of PSC patients: European and Japanese studies
| Parameter | Takikawa (n = 388) | Broome (n = 305) | Ponsioen (n = 174) | Tischendorf (n = 273) |
| Age (yr) | 47 | 39 | 40.4 | 32.4 |
| Male (%) | 59 | 64 | 60 | 71 |
| Symptoms | ||||
| Jaundice | 28 | 30 | NA | NA |
| Pruritus | 16 | 30 | NA | NA |
| IBD | 37 | 81 | 66 | 63 |
| CD | 2.4 | 7 | 13.2 | 10.6 |
| UC | 29 | 72 | 47.7 | 51.7 |
| Laboratory | ||||
| ALP | 88 | 91.5 | NA | NA |
| Bilirubin | 39 | 41 | NA | 40 |
| pANCA (+) | 13 | NA | NA | 69 |
| Diagnostic procedures | ||||
| ERC | 80 | 87.2 | 76.4 | 100 |
| MRC | 32 | NA | NA | NA |
| Liver biopsy | 78 | 83.2 | NA | 100 |
| BD involvement | ||||
| SD | 1.6 | 0 | NA | 3.3 |
| Only EHBD | 4.8 | 6 | NA | 3.7 |
| Only IHBD | 27 | 27 | NA | 24.9 |
| IHBD+EHBD | 68 | 67 | NA | 68.1 |
| Treatment | ||||
| UDCA | 78 | NA | NA | NA |
| Steroid | 31 | NA | NA | NA |
| Endoscopy | 14 | NA | NA | NA |
| Liver transplantation | 10 | NA | 8 | 39.6 |