[Retracted] Characteristics Scanning of Brain Structure and Function Changes in Patients with Different Degrees of Alzheimer’s Disease

Table 1

Metabolic distribution of bilateral hippocampal MRS in patients with early AD and middle and advanced AD.

Group	Early AD (proportion)	Middle and advanced AD (proportion)	Total
Normal	7 (30.4%)	4 (14.8%)	11
Unilateral abnormality	4 (17.4%)	6 (22.2%)	10
Bilateral abnormality	12 (52.2%)	17 (63.0%)	29
Total	23	27	50