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. Author manuscript; available in PMC: 2015 Nov 1.
Published in final edited form as: Mech Ageing Dev. 2014 Oct 22;0:64–69. doi: 10.1016/j.mad.2014.10.002

Fig. 1.

Fig. 1

Odds ratio (logarithmic scale) for association of amnestic mild cognitive impairment with log2 T/S ratio using a generalized additive model adjusted for age, sex, education, APOE ε4 allele and type 2 diabetes. The spline demonstrates a significant non-linear association of log2 T/S with amnestic MCI (p = 0.04). X-axis tick marks represent T/S ratios of 0.25 (log2 = −2), 1 (log2 = 0), and 4 (log2 = 2).