TABLE 1.

The prevalence of TRT donors at 16 USA blood centers and the resulting red blood cell (RBC) units in calendar year 2018. Data derived from electronic database (eProgesa) in each center

Center	Total donors	TRT donors	%TRT donors	Total RBC units donated	RBC units from TRT donors	% RBC units from TRT donors
1	23,075	888	3.8%	38,201	2431	6.4%
2	31,227	1060	3.4%	54,984	2489	4.5%
3	15,133	491	3.2%	24,586	933	3.8%
4	94,869	2741	2.9%	169,565	6784	4.0%
5	21,193	435	2.1%	33,987	1097	3.2%
6	20,821	361	1.7%	40,303	870	2.2%
7	32,664	504	1.5%	60,052	1231	2.0%
8	42,996	586	1.4%	58,488	838	1.4%
9	23,149	259	1.1%	34,907	473	1.4%
10	25,020	190	0.8%	46,543	504	1.1%
11	26,717	202	0.8%	49,495	482	1.0%
12	19,515	116	0.6%	36,722	248	0.7%
13	48,462	274	0.6%	74,085	616	0.8%
14	29,735	157	0.5%	48,296	344	0.7%
15	12,645	52	0.4%	23,589	124	0.5%
16	44,334	52	0.1%	88,530	113	0.1%
Overall	511,555	8368	1.6%	882,333	19,577	2.2%