Figure 4

Probabilities of functioning over time among mild cognitive impairment (MCI)converters to Alzheimer's disease (AD) versus MCI non-converters.(a) Probability of relatively high functioning with episodic memorylevel 3 from 24 to 0 months before conversion to AD among MCI subjects.(b) Probability of relatively high functioning with episodic memorylevel 3 from baseline to 24 months among MCI subjects who did not convertwithin 36 months.