Fig. 2

Frequency of the switch request per 1000 patients for each generic drug. a. Therapeutic category. I, agents affecting the central nervous system; II, cardiovascular agents; III, agents affecting respiratory organs; IV, agents affecting digestive organs; V, agents for the epidermis; VI, agents affecting metabolism; VII, agents against pathogenic organisms and parasites; VIII, other agents. b. Dosage form. i, tablets and capsules; ii, powder, granules, and dry syrup; iii, liquid medicine; iv, liniments and patches; v, other external drugs (eye drops, inhaler, suppository, enema, and gargling).The line in the box represents the median. The upper and lower ends of the box represent the third and first quartiles, respectively. The upper and lower ends of the whiskers represent the maximum and minimum values excluding outliers. Med., median. *P < 0.05, **P < 0.01