Table 1. Descriptive table of the “proper conduct” frequency in the prescriptions.

	2010	2013	2015	p-value
Antimicrobial agent	83.8	95.7	100.0	< 0.001
Dosage	100.0	100.0	100.0	1.000
Route of administration	97.0	100.0	100.0	0.018
Interval between doses	91.9	95.7	100.0	0.004
Completely appropriate prescription	74.7	91.4	100.0	< 0.001

Data presented in percentages (%) and compared by the trend chi-squared test.