Table 2.

Stored samples mandated by the protocol and received at the central laboratory for testing

Region	Buffy coat samples		Plasma samples
	Protocol- mandated buffy coat samples to be collected	Actual buffy coat samples collected	Protocol- mandated plasma samples to be collected	Actual plasma samples collected	Proportion of visits where plasma samples were not collected as required (%)
Asia	203	224	4,545	3,582	0
Australia	66	118	1,485	1,314	5
Europe	130	199	2,880	2,293	7
Latin America	196	317	4,365	3,607	5
North America	20	25	450	444	1