Table 2 Transthyretin (TTR) concentration in lumbar CSF*
From: Sustained choroid plexus function in human elderly and Alzheimer’s disease patients
Group (mean age) | Mean TTR (mg/L) ± SD (N) | % control |
|---|---|---|
Age-matched controls (76) | 20.0 ± 2.5 (41) | |
Alzheimer’s patients (74) | 17.5 ± 2.0 (40) | 87 |
Middle-aged (41) | 17.4 ± 2.4 (51) | 87 |
Youth (10) | 15.5 ± 1.8 (17) | 78 |