Past ophthalmic surgery in sCJD compared with control groups
| Cases (n = 510) | Hospital controls (n = 226) | Community controls (n = 106) | |
|---|---|---|---|
| Patients with eye operations | 58 (11%) | 31 (14%) | 14 (13%) |
| Total number of operations | 78 | 39 | 20 |
| Average per patient | 1.34 | 1.26 | 1.43 |