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Clinical outcome of PLERM cases reported to have occurred in onchocerciasis mass treatment programs from 1989 to 2001*
| Reported clinical outcome | Frequency of occurrence† (%) |
| Full recovery | 22 (64.7) |
| Partial neurologic deficit | 4 (11.8) |
| Death | 8 (23.5) |
| Total | 34 (100) |
*cases reported as of August 31, 2002; †clinical outcome of 31 cases unknown.
