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Frequencies of the original and newly identified C9orf72 expansion carriers in the Manchester cohort
| Cases | C9 carriers old | C9 carriers new | C9 carriers total |
|---|---|---|---|
| All FTLD, N = 460 | 37 | 11 | 48 |
| FTD + ALS, N = 74 | 12 | 3 | 15 |
| ALS, N = 234 | 16 | 4 | 20 |
Key: ALS, amyotrophic lateral sclerosis; FTLD, frontotemporal lobar degeneration.
