[Retracted] Study on Nano Drug Particles in the Diagnosis and Treatment of Alzheimer’s Disease in the Elderly

Table 4

Comparison of treatment effectiveness (%).

Group	n	Significant effective	Effective	Invalid	Comprehensive effective (%)
Reference group	40	12(30%)	16(40%)	12(30%)	70
Observation group	40	22(55%)	15(37.5%)	3(7.5%)	92.5