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. Author manuscript; available in PMC: 2010 Aug 16.
Published in final edited form as: J Int Neuropsychol Soc. 2010 Apr 7;16(4):651–660. doi: 10.1017/S1355617710000421

Table 5.

Rate of conversion to AD by NAB List Learning algorithm-defined Group over a 1- to 3-year follow-up period

Conversion to AD Survival Time (days)
Group n n % M 95% CI
Control 182 1 0.5% 1284.0 1274.4–1293.7
MCI 64 10 15.6% 1097.4 1026.1–1168.7
AD 19 4 21.1% 1048.2 918.1–1178.3

Note. AD = Alzheimer's disease, NAB = Neuropsychological Assessment Battery; CI = confidence interval; MCI = mild cognitive impairment.