Table 1.

Flu alert results.

Round	Alert version	Firings per patient per day	P value	Vaccination compliance rate at discharge, %
Baseline (Nov 2018 - Jan 2018)	1 (n=8296)	23.0	N/Aa	N/A
1 (Feb 2018 - Apr 2018)	1 (n=2025)	23.6	.521b	90.8
1 (Feb 2018 - Apr 2018)	2 (n=2039)	23.1
2 (Sep 2018 - Dec 2018)	3 (n=8777)	8.4	<.001c	87.7
3 (Jan 2019 - Feb 2019)	4 (n=1952)	7.3	<.001c	89.0

^aN/A: not applicable.

^bComparing 1 vs 2 in the randomized controlled trial.

^cCompared to baseline.