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Table 1: 
Characteristics of study populationsa
CharacteristicAll PatientsMCI (Nonconverter)MCI to AD (Converter)P Value
No.19210785
Age (yr)74.8 ± 7.374.7 ± 7.675.0 ± 6.9.7604
Sex.3262
    Female75 (39)38 (36)37 (44)
    Male117 (61)69 (64)48 (56)
Education (yr)15.7 ± 2.915.7 ± 3.015.6 ± 2.8.7637
ADAS-13 (baseline)17.7 ± 6.415.2 ± 6.120.9 ± 5.3<.0001
MMSE (baseline)27.1 ± 1.727.6 ± 1.726.5 ± 1.6<.0001
  • Note:—MMSE indicates Mini-Mental State Examination.
  • ↵a MCI or AD status was determined at 3-year follow-up by the ADNI criteria. Data are means. Percentages listed in parentheses are rounded to the nearest percentage.