Table 4.

Changes in AUD, DOT, and the AUD/DOT ratio between pre- and post-AS periods

	Carbapenem			TAZ/PIPC
	pre-AS	post-AS	p-value	pre-AS	post-AS	p-value
AUD	8.28 ± 3.39	3.67 ± 1.73	< 0.05	15.05 ± 5.91	8.55 ± 3.47	< 0.05
DOT	21.62 ± 7.23	5.88 ± 1.76	< 0.01	20.93 ± 8.76	12.65 ± 4.96	< 0.05
AUD/DOT	0.37 ± 0.07	0.60 ± 0.12	< 0.01	0.73 ± 0.08	0.67 ± 0.07	0.15

Values are presented as means±SD

AUD: Antimicrobial use density (DDDs/1000 patient-days), DOT: Days of therapy (DOTs/1000 patient-days)

Data were analyzed using the Mann-Whitney U-test