The incidence of CG mutations at position 77 of exon 4 in PTPRC in the North West region of the United Kingdom
| No mutation | CD45 exon 4 mutation | |
|---|---|---|
| MS, multiple sclerosis; PTPRC, protein tyrosine phosphatase receptor, type c polypeptide. | ||
| Controls (n (%)) | 189 (95.9) | 8 (4.1) |
| MS patients (n (%)) | 313 (94.9) | 17 (5.1) |