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. Author manuscript; available in PMC: 2017 Aug 10.
Published in final edited form as: J Int Neuropsychol Soc. 2017 Jun 5;23(7):564–576. doi: 10.1017/S135561771700039X

Figure 2. Mean CSF Biomarker Concentrations of Latent Profile Classes and Robust Normal Controls.

Figure 2

Figure 2

Error bars denote 99.5% confidence intervals. 2a) Mean total tau (pg/mL).2b) Mean p-tau181p (pg/mL). 2c) Mean Aβeta1–42 (pg/mL). 2d) Mean ratio of p-tau181p to Aβeta1–42.

Abbreviations: CSF = Cerebrospinal fluid; MCI = Mild Cognitive Impairment; LPA = Latent Profile Analysis