Differential outcome of an antimicrobial stewardship audit and feedback program in two intensive care units: a controlled interrupted time series study

Table 2 Autoregressive model for total antimicrobial use per month measured in defined daily doses per 1000 patient days for intervention and control intensive care units.

Unit	Baseline level	Baseline trend	Change in level (standard error)	p-value	Change in trend (standard error)	p-value
TNICU	1427	1	−375 (94)	0.0009	−9 (15)	0.56
MSICU	1626	10	297(249)	0.25	−30 (35)	0.40
CVICU	1009	−3	169(177)	0.35	−12 (25)	0.63
CICU	591	−7	454 (128)	0.0023	−50 (19)	0.017

TNICU, trauma and neurosurgery intensive care unit; MSICU, medical surgical intensive care unit; CVICU, cardiovascular intensive care unit; CICU, cardiac intensive care unit.

ISSN: 1471-2334