Table 3. Number of adverse events by period.

	UITa	P value	Mortality	P value
Silent period	69.40	—b	19.72	—
Season-matched alert period	60.73	.03	16.78	.12
Entire alert period	62.37	.03	15.87	.02

^aUIT: unplanned ward-to-intensive care unit transfer.

^bNot applicable.