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. 2013 Oct 3;4(12):1530–1536. doi: 10.1021/cn400129p

Table 4. Thresholds, Sensitivity and Specificity for Differentiation of Healthy Controls, MCI due to AD, and AD Dementia, for Various Parametersa.

parameter groups threshold sensitivity specificity
ϕAβ-42 HC vs Patients 16.33 pg/mL 0.91 0.88
  MCI vs ADD 17.65 pg/mL 0.69 0.68
ϕtau HC vs Patients 23.89 pg/mL 0.97 0.91
  MCI vs ADD 38.18 pg/mL 0.78 0.82
ϕAβ-42 × ϕTau HC vs Patients 455.49 (pg/mL)2 0.96 0.97
  MCI vs AD 642.58 (pg/mL)2 0.80 0.82
a

HC, healthy controls; MCI, mild cognitive impairment due to Alzheimer’s disease; ADD, Alzheimer’s disease dementia, including those with very mild to severe (CDR = 0.5–3) dementia. ADD and MCI are combined to form Patients.