Table 3.

Ventilator associated events per year.

Year	VAE	Device days	Ratio	Lower 95% CI	Upper 95% CI
2008	94	4251	22.1	18	27.1
2009	71	4100	17.3	13.6	21.9
2010	60	4223	14.2	11	18.4
2011	67	4634	14.5	11.3	18.4
2012	58	4303	13.5	10.3	17.5
2013	69	4582	15.1	11.8	19.1
2014	70	4333	16.2	12.7	20.5
2015	77	4430	17.4	13.8	21.8
2016	26	2365	11	7.34	16.3

VAE Ventilator associated events; Device days Total number of ventilated patient days; CI Confidence Interval.