Table 3. Comparisons of responder rates at week 24 in patients with MMSE < 20.

Variable	Group 1 (n = 62)	Group 2 (n = 27)	p-value*
ADAS-Cog (Δ≤0)	42 (67.7%)	16 (59.3%)	0.440
MMSE (Δ≥0)	46 (74.2%)	20 (74.1%)	0.991
FAB (Δ≥0)	43 (69.4%)	13 (48.1%)	0.057
ADCS-ADL (Δ≥0)	40 (64.5%)	16 (59.3%)	0.637
CGA-NPI (Δ≤0)	41 (66.1%)	20 (74.1%)	0.458
CDR-SB (Δ≤0)	47 (75.8%)	21 (77.8%)	0.840
Mini-Zarit(Δ≤0)	31 (50.0%)	11 (40.7%)	0.421

*P values were derived from the chi square test.