Table 1.

Contamination rates of PCs by bacterial testing as part of routine quality control

Type of PC	Production period	Number tested	Contamination rate (confirmed positive) in %
APCs	1998	4,523	0.155
APCs	2001	8,302	0.157
APCs	2005/2006	11,452	0.114
PPCs	2001	3,947	0.507
PPCs	2006/2006	8,850	0.158

Data published in: Vox Sang 2006;90:177–182 and Vox Sang 2011;100:356–366.