Table 3. Adverse Events in the Safety Population.

Variable	Study Participants, No. (%)		P Value
	Propranolol Group (n = 17)	Steroid Group (n = 16)
Adverse events
Serious adverse event	0	0
Any adverse event	16 (94)	15 (94)	>.99a
Known risks associated with drugsb
Bradycardia	0	0
Hypotension	5 (29)	1 (7)	.18a
Hypoglycemia	0	0
Trouble breathing	0	0
Gastroesophageal reflux	0	0
Hypertension	7 (41)	7 (47)	.75c
Growth disability	0	2 (13)	.21a

^aFisher exact test.

^bA complete list of adverse events is provided in Supplement 2.

^cχ² Test.