Table 2. Admission rates from sickle cell disease-related emergency department visits with and without priapism by characteristics.

	Priapism-related	Non-priapism-related	P-value
Admission Rate	49.80%	39.40%	0.001
	Priapism-related	P-value	Non-priapism-related	P-value
Region
Northeast	55.30%	0.37	44.50%	0.06
Midwest	49.40%		40.50%
South	49.20%		37.60%
West	39.60%		37.80%
Weekend
Yes	47.70%	0.16	38.20%	0.01
No	50.80%		39.90%
Season
Winter	55.40%	0.01	40.30%	0.02
Spring	53.40%		39.40%
Summer	46.10%		38.70%
Fall	45.30%		39.40%