TABLE 2.

Results of the generalized estimating equation model assessing the difference in hemolysis in male versus female, among race/ethnicity groups versus white donors, and among blood centers compared to the ARC site^*

	Spontaneous hemolysis		Oxidative hemolysis		Osmotic hemolysis		Mechanical hemolysis
	Estimate	Pr(>|W|)	Estimate	Pr(>|W|)	Estimate	Pr(>|W|)	Estimate	Pr(>|W|)
Sex
Males	0.046	0.0519	2.35	0.0008	8.30	<0.0001	1.04	<0.0001
Group
Super donors	0.094	0.0072	−0.29	0.7415	4.40	0.0019	0.42	0.0450
Other	−0.103	<0.0001	−0.02	0.9930	−10.38	<0.0001	−1.31	0.0045
Hispanic	−0.089	0.0001	3.48	0.0696	−0.73	0.8146	−0.31	0.3166
Asian	−0.073	0.0017	−0.34	0.7972	−8.26	<0.0001	−0.36	0.4417
African American	0.058	0.1939	−1.14	0.3913	−15.52	<0.0001	−1.67	< 0.0001
Hub
BCW	0.048	0.0691	4.92	< 0.0001	−3.09	0.0742	−0.20	0.3798
BCP	−0.015	0.3999	−0.38	0.7201	−6.13	0.0010	NA	NA
ITxM	0.287	<0.0001	−2.27	0.0257	1.50	0.4217	−0.03	0.9125

^*Reference groups are female for sex, white for groups, and ARC for hubs.