Table 4.

Effect of the intervention on doctors’ prescribing behavior after intervention (Median ± SD)

Variable name	Intervention group (N = 108)	Control group (N = 108)	Z a	P value
Average expenditure per prescription of a doctor (RMB yuan)
	50.07 ± 24.90	43.62 ± 34.41	−2.530	0.110
Percentage of prescriptions requiring antibiotics of a doctor (%)
	62.49 ± 21.64	60.97 ± 25.86	−0.107	0.915
Percentage of prescriptions requiring injections of a doctor (%)
	64.66 ± 23.51	70.52 ± 25.57	−2.349	0.019

Note: Non-parametric tests were used because all the variables were not normal; a stands for Mann–Whitney U test.