Table 5.

Trend changes in antimicrobial resistance of Pseudomonas aeruginosa to carbapenems and fluoroquinolones from 2011 to 2016

Antibiotic	Resistance rate (%), by year						Time series analysis
	2011	2012	2013	2014	2015	2016	Trend	β	P value
Imipenem	23.1	20.9	15.2	16.5	15.3	15.8	Stable	−1.4811	0.1008
Meropenem	18.2	16.2	10.1	12.9	11.4	11.4	Stable	−1.2977	0.1140
Levofloxacin	28.1	28.1	20.5	10.0	10.1	8.1	Decreasing	−4.7833	0.0137
Ciprofloxacin	18.2	18.2	13.5	11.6	10.5	7.5	Decreasing	−2.2677	0.0011