Table 2.

Steroid medications in platelet and granulocyte donors.

Route of administration	Exposure level*	Platelet donors (n=100)	Granulocyte donors (n=100)	p-value†
Skin	None	83%	79%	0.69
	Moderate	12%	16%
	High	5%	5%
Inhaled	None	92%	91%	1.00
	Moderate	7%	7%
	High	1%	2%
Oral	None	99%	100%	1.00
	Moderate	1%	0%
Injected	None	100%	100%	.
Nasal	None	77%	75%	0.68
	Moderate	16%	20%
	High	7%	5%
Ocular	None	97%	94%	0.50
	Yes	3%	6%
Overall exposure to steroids	None	61%	54%	0.62
	Moderate	24%	29%
	High	15%	17%

^*Derivation of risk level from steroid medication history. For skin, inhaled, oral, injected, and nasal, the risk level was based on the approximate total duration of steroid medication use.

^†Exact likelihood ratio chi-squared test