Volume 15, Number 2—February 2009
Research
Medical Procedures and Risk for Sporadic Creutzfeldt-Jakob Disease, Japan, 1999–2008
Table 3
Medical procedures before disease onset, case–control study of sCJD, Japan, 1999–2008*
| Medical procedures | sCJD case-patients, no. (%), n = 753 | Controls, no. (%), n = 210 |
|---|---|---|
| Surgery | 372 (49.4) | 104 (49.5) |
| Neurologic | 25 (3.3) | 13 (6.2) |
| Ophthalmic | 42 (5.6) | 11 (5.2) |
| Other |
337 (44.8) |
89 (42.4) |
| Blood transfusion | 78 (10.4) | 20 (9.5) |
*sCJD, sporadic Creutzfeldt-Jakob disease. p values were not significant.


