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Studies of polyneuropathy patients with percentages of idiopathic cases.
| Authors | PN Patients | Idiopathic patients |
|---|---|---|
| Prineas (1970) | 278 | 107(38%) |
| Dyck et al. (1981) | 205 | 49(24%) |
| Fagius (1983) | 91 | 67(74%) |
| Konig et al. (1984) | 70 | 10(14%) |
| McLeod et al. (1984) | 519 | 67 (13%) |
| Corvisier et al. (1987) | 432 | 48(11%) |
| Notermans et al. (1993) | 500 | 75(10%) |
| Wolfe et al (1999) | 402 | 93(23%) |
| Jann et al (2001) | 222 | 48(21%) |
