Table 1 Demographic data for study population
From: Cerebrospinal fluid neurofilament light chain protein levels in subtypes of frontotemporal dementia
Group | Â | N | Male/Female | Median duration of dementia at time of LP (range) | Median age at LP (range) | Median duration from LP to death (range) |
|---|---|---|---|---|---|---|
FTD |  | 34 | 15/19 | 3 (1–9) | 70 (38–85) | - |
|  | bvFTD | 23 | 12/11 | 3 (1–9) | 72 (38–85) | - |
|  | SD | 7 | 2/5 | 2 (1–4) | 64 (53–78) | - |
|  | PNFA | 4 | 1/3 | 3 (1–5) | 69 (66–77) | - |
AD |  | 20 | 7/13 | 2 (1–7) | 72 (49–84) | - |
Healthy controls |  | 26 | 12/14 | NA | 70 (56–83) | - |
NP verified FTD |  | 10 | 5/5 | 3 (0.4-12) | 63 (32–78) | 2 (0.1-8) |
|  | Tau-pos | 3 | 1/2 | 5 (4–7) | 69 (50–78) | 3 (2–4) |
|  | Tau-neg | 7 | 4/3 | 3 (0.4-12) | 60 (32–67) | 2 (0.1-8) |