. Author manuscript; available in PMC: 2015 Jul 1.

Published in final edited form as: J Immunol Methods. 2014 Jun 5;409:21–30. doi: 10.1016/j.jim.2014.05.013

Table 1.

Stage 1- PBMC Initial viability, yield, and processing time at the site- affiliated laboratories

	% Viability (Mean+/−SD)	Cell Yield (x 10⁶ cells/ml of blood) (Mean+/−SD)	Processing Time (hours:min) (Mean+/−SD)
All site affiliated laboratories values	98.3 +/− 1.5	1.14 +/− 0.5	4:35 +/− 1:23
Acceptance criteria	≥ 95	0.7–3.0	≤ 8:00
% of sites within acceptance criteria	100	100	100
% of total specimens within acceptance criteria	97.7	87.7	99.3