EG: experimental group

CG: control group

• Measurements of results: main endpoint: proportional change in the number of packages of tenoxicam, piroxicam y diclofenac prescribed; secondary endpoint: change in the cost per prescription for all NSAIDs prescribed.
• Intervention: the experimental group received an evidence-based educational outreach visit; the placebo group received information in a routine pharmaceutical session; the control group received no information on the topic during the duration of the study.