Volume 15, Number 2—February 2009
Research
Medical Procedures and Risk for Sporadic Creutzfeldt-Jakob Disease, Japan, 1999–2008
Tsuyoshi Hamaguchi, Moeko Noguchi-Shinohara, Ichiro Nozaki, Yosikazu Nakamura, Takeshi Sato, Tetsuyuki Kitamoto, Hidehiro Mizusawa, and Masahito Yamada
Table 1
Characteristics of patients with definite or probable prion disease, Japan, 1999–2008*
| Type of prion disease | No. (%) patients |
|---|---|
| Sporadic CJD | 760 (76.8) |
| Genetic prion diseases | 167 (16.9) |
| Acquired prion diseases† | 62 (6.3) |
| Unclassified CJD |
1 (0.1) |
| Total | 990 |
*CJD, Creutzfeldt-Jakob disease.
†Acquired prion diseases included 61 cases of dura mater CJD and 1 case of variant CJD.
