Figure 1

Patient flow. ^a5 to 10 mg/day for ≥ 3 months. ^b5 or 10 mg/day donepezil; 6, 9 or 12 mg/day rivastigmine; 16 or 24 mg/day galantamine for ≥ 3 months. MMSE, Mini-Mental State Examination; ChEI, cholinesterase inhibitor; ITT, intention-to-treat; APT, all-patients-treated; AD, Alzheimer's disease.