Table 2.

Results of a Poisson regression model showing differences between years in the number of antimicrobials to which an E. coli isolate is resistant.

Year	Incidence Rate Ratio	p-Value	95% CI a Low	95% CI High
2013	Referent		-	-
2014	1.07	0.383	0.92	1.25
2015	0.97	0.642	0.84	1.12
2016	1.05	0.494	0.92	1.20
2017	1.24	0.002	1.08	1.41
2018	1.42	<0.001	1.25	1.62
2019	1.34	<0.001	1.17	1.53

^a CI: Confidence Interval.