Table 3.

Room temperature and refrigerated stability for Ret He and RBC He

	Change at 24 h		Change at 48 h
Room temp.	Refrig	Room temp.	Refrig	2× Baseline SD
Ret He	0.13	0.12	0.35	0.25	5.78
RBC He	0.2	0.11	0.12	0.03	3.74

Units, picograms of hemoglobin.