Review
Open access
Sep 2026
Plasma p-tau217/Aβ42 Ratio vs p-tau217 Alone in Alzheimer's Disease: A Systematic Review and Meta-Analysis
The plasma p-tau217/Aβ42 ratio functions as an effective first-line screening tool that resolves ambiguous cases, significantly decreases gray-zone classifications, and increases diagnostic confidence, but does not significantly enhance absolute diagnostic discrimination (AUC) relative to p-tau217 alone.
Adil Khan, Awais Ahmad, Usman Khan et al.
· Journal of Saidu Medical Col... · 0 citations