Table 1 Results of AD biomarkers in CSF
From: A fatal familial insomnia patient initially misdiagnosed as Alzheimer’s disease: a case report
Test method | Results | Reference interval | ||
|---|---|---|---|---|
ELISA | Aβ1–42 (pg/mL) | 1027.06 | < 550 | Aggregated Aβ |
551–650 | Suspicious | |||
≥ 651 | Normal | |||
ELISA | Aβ1–40 (pg/mL) | 6974.66↓ | ≥ 7,000 | Normal |
< 7,000 | Aggregated Aβ | |||
ELISA | Aβ1–42/ Aβ1–40 | 0.147 | ≤ 0.05 | Positive |
> 0.05 | Negative | |||
ELISA | t-tau (pg/mL) | 956.81↑ | ≤ 399 | Normal |
> 399 | Neuronal injury | |||
ELISA | p-tau (pg/mL) | 27.12 | ≤ 50 | Normal |
> 50 | Neurofibrillary tangles | |||