The effect of antibiotic stewardship interventions with stakeholder involvement in hospital settings: a multicentre, cluster randomized controlled intervention study

Table 6 Interrupted Time Series analysis of the use of Ciprofloxacin at the ward of Gastroenterology, Hospital A, from 2013 to 2015

		Estimate	SE	p-value
Ciprofloxacin DDD per 100 bed days	Constant	10.291	1.283	0.000
Ciprofloxacin DDD per 100 bed days	AR	−0.090	0.520	0.868
Pre-slope		−0.169	0.341	0.636
Difference between pre- and post-slope		−0.106	0.461	0.825
Level effect
3 months		−4.254	1.905	0.061
6 months		−4.360	1.956	0.061
12 months		−4.571	2.343	0.092
18 months		−4.783	2.975	0.152

Use of Ciprofloxacin is measured as quarterly sales of Ciprofloxacin, adjusted for bed days

ISSN: 2047-2994