Urinary β-amyloid

1. Urinary β-amyloid predicts mild cognitive impairment/Alzheimer's disease in humans (multicenter case-control study) (Kappa 0.669; positive rate 72.46% in MCI/AD vs 7.52% healthy and 12.23% non-AD).

   “with a Kappa value of 0.669, indicating that the method performed well in the clinical diagnosis of MCI/AD, consistent with previously published results”

   Humansmulticenter case-control studyn = 898

   Real-World Performance of Urine β-amyloid Test Kits in Multiple Hospital Clinics and Neighborhood Communities of China

   medRxiv·May 15, 2026Preprint

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