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. Author manuscript; available in PMC: 2019 Jun 1.
Published in final edited form as: Neurobiol Aging. 2018 Mar 29;66:122–130. doi: 10.1016/j.neurobiolaging.2018.02.016

Table 3.

Relation of postmortem neuropathologic markers to trajectories of episodic memory and perceptual speed

Fixed effects Episodic Memory
Estimate (95% CI)
Perceptual Speed
Estimate (95% CI)
Mean
 Intercept 0.298 (0.240, 0.355) 0.163 ((0.070, 0.257)
 Initial slope 0.181, (0.147, 0.217) 0.151 (0.115, 0.192)
 Change point 1.446 (1.269, 1.622) 1.326 (1.095, 1.550)
 Slope after change point −0.086 (−0.103, −0.068) −0.131 (−0.147, −0.115)
Amyloid (square root)
 Intercept 0.006 (−0.026, 0.038) 0.002 (−0.050, 0.055)
 Initial slope 0.000 (−0.017, 0.018) −0.000 (−0.018, 0.018)
 Change point −0.003 (−0.019, 0.014) −0.003 (−0.012, 0.030)
 Slope after change point −0.010 (−0.012, −0.008) −0.010 (−0.005, −0.001)
Tangles
 Intercept −0.016(−0.023, −0.009) −0.006 (−0.017, 0.005)
 Initial slope 0.004 (−0.000, 0.009) 0.000 (−0.003, 0.004)
 Change point −0.003 (−0.019, 0.014) −0.003(−0.012, 0.030)
 Slope after change point −0.010(−0.012, −0.008) −0.010 (−0.005, −0.001)
Lewy Bodies
 Intercept −0.058 (−0.143, 0.026) 0.057 (−0.079, 0.195)
 Initial slope 0.016 (−0.030, 0.070) 0.030 (−0.020, 0.088)
 Change point 0.065 (−0.287, 0.147) 0.098 (−0.344, 0.178)
 Slope after change point −0.043 (−0.068, −0.018) −0.048 (−0.071, −0.026)
TDP-43 pathology
 Intercept −0.002 (−0.037, 0.033) −0.014 (−0.071, 0.045)
 Initial slope −0.007, (−0.026, 0.014) 0.151 (0.115, 0.192)
 Change point 0.058 (−0.041, 0.154) −0.010 (−0.106, 0.126)
 Slope after change point −0.022 (−0.033, −0.012) −0.016 (−0.025, −0.006)
Hippocampal sclerosis
 Intercept −0.055 (−0.195, 0.086) −0.059 ((−0.281, 0.166)
 Initial slope 0.054, (−0.026, 0.143) −0.007 (−0.076, 0.078)
 Change point 1.446 (1.269, 1.622) 0.339 (−1.188, 0.815)
 Slope after change point −0.086 (−0.103, −0.068) −0.021 (−0.059, 0.017)

Note. From 2 mixed-effects change point models adjusted for age, sex, education and duration of follow-up. CI, credible interval.