Physicians' responses of the top 10 frequent inappropriate drug prescriptions when receiving hard-stop warnings.^a

aAt the points of the first (June, 2010), second (July, 2010), twelfth (May, 2011) and fifteenth (August, 2011) months after intervention. bFor example, 0.5 tab twice daily changed to 1 tab once daily; 0.5 tab once daily changed to 1 tab once daily; or 1.5 tab once daily changed to 1 tab once daily. cProducts with different formulations or with the same formulation but lower strength. dProducts with the same therapeutic effects. eNo available products in the study hospital. Physicians' responses of the top 10 frequent inappropriate drug prescriptions when receiving hard-stop warnings.a