Table 1

The incidence of CG mutations at position 77 of exon 4 in PTPRC in the North West region of the United Kingdom

No mutationCD45 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)