a decreasing trendp<0.01
In 2009, 2012 and 2018, the average number of drugs per prescription was 3.66, 3.29 and 2.77, respectively, the percentage of prescriptions including antibiotics was 65.40%, 62.31% and 46.00%, respectively, and the percentage of prescriptions including injections was 55.75%, 49.66% and 37.48%, respectively, all of which showed a decreasing trend (p<0.01).