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. Author manuscript; available in PMC: 2017 Jul 1.
Published in final edited form as: Mov Disord. 2016 May 23;31(7):989–994. doi: 10.1002/mds.26666

Table 3.

Predicted median (95% confidence interval) survival times for participants with onset of cognitive symptoms at age 60, 68, and 75.

Group Age at onset 60 Age at onset 68 Age at onset 75
APOE4−, High hippocampal volume 12.68 (10.63–17.70) 10.63 (8.66–14.54) 8.77 (7.48–12.71)
APOE4+, High hippocampal volume 11.04 (8.77–15.00) 8.89 (7.56–12.36) 7.74 (6.82–10.76)
APOE4−, Medium/Low hippocampal volume 9.65 (8.10–13.70) 8.10 (7.34–11.08) 7.34 (6.52–9.45)
APOE4+, Medium/Low hippocampal volume 8.56 (7.44–11.70) 7.38 (6.74–9.29) 6.74 (6.21–7.84)