Table 1: Post hoc analysis of cognition change in patients 70 years and older during the six-month controlled trial.

Cognition testDirection of deterioration Zinc-treated group ( )Placebo group ( ) value

ADAS-CogPositive change−0.76+1.270.037
CDR-SOBPositive change +0.25+0.870.032
MMSENegative change+0.58−1.00.067