Table 1

Differences in the CRBSI^arates between the pre- (2001–2003) and post- (2004–2007)^bintensivist-led critical care team time frames
Year	Catheter Days	Infections	Rate (%)

2001	3065	18	.59
2002	2676	14	.52
2003	2796	14	.50
2004	3321	6	.18
2005	3304	7	.21
2006	3703	5	.14
2007	4005	3	.08

^aCatheter-related blood stream infections. ^bThe Cochran-Armitage Trend Test indicated significant downward linear trend in the rates (Z = 4.576, p < .0001) for years 2004–2007.
Papadimos et al. Patient Safety in Surgery 2008 2:11 doi:10.1186/1754-9493-2-11