Table 2: The mean and 90% confidence intervals (CI) of pharmacokinetic parameters of the test product (Tonizep) compared to the reference product (Aricept).

Pharmacokinetic
parameter
Mean90% CIBioequivalence
limit

Ratio of 1.081.02–1.140.80–1.25
Ratio of 1.080.99–1.170.80–1.25
Difference in 0.05(−0.19)–0.29±0.41