TABLE 4.

Discharge medications and two-week follow-up according to country

	Canada	United States	P
Discharge medications	(n=155)	(n=2876)
Sent home on systemic corticosteroids*, %	62	71	0.03
Sent home on inhaled corticosteroids†, %	65	24	<0.001
Relapse	(n=136)	(n=2198)
Relapse within 48 h‡, %	9	4	0.02
Relapse within two weeks‡, %	16	12	0.26
Relapse within two weeks leading to hospitalization§, %	3	3	0.93
Failure¶, %	22	18	0.24

^*Restricted to patients sent home from the ED (n=2345);

^†Restricted to patients sent home from the ED – available for three cohorts (n=1291);

^‡Relapse event based on patient reporting a ‘worsening of asthma symptoms’ that led to an urgent care visit;

^§Urgent care visit, routine asthma visit or other visit that led to a hospital admission;

^¶Failure indicates ongoing exacerbation at a two-week follow-up interview (see Methods for details)