TABLE 3.

Estimated number of donors and deferrals in the United States, 2015 (expressed in thousands)^†

			% of Total		% Change 2015–2013
Variable	All facilities (95% CI), 2015	All facilities, 2013	2015	2013
Donor deferrals
Low hemoglobin	975 (911–1,040)	1,188	51.7	50.2	1.5
Prescription drug use	54 (46–62)	70	2.9	3.0	−0.1
Other medical reasons	504 (463–544)	472	26.7	19.9	6.8
High-risk behavior, MSM only	8 (7–10)	8	0.4	0.3	0.1
High-risk behavior, all other behaviors	16 (11–21)	14	0.9	0.6	0.3
Travel	113 (105–122)	173	6.0	7.3	−1.3
Tattoo/piercing	49 (44–54)	76	2.6	3.2	−0.6
Other	166 (125–206)	367	8.8	15.5	−6.7
Total deferrals	1,886 (1,774–1,997)	2,368*
Total presenting to donate	13,225	15,237

^*The 2013 percentage of total deferrals was obtained from Chung et al.⁹

^†Excludes directed and autologous donors.

MSM=men who have sex with men.