Culture Positivity of CVCs Used for TPN: Investigation of an Association with Catheter-Related Infection and Comparison of Causative Organisms between ICU and Non-ICU CVCs

Table 3

Pattern of organisms isolated in culture-positive and CRBSI CVCs.

Causative organisms	Culture-positive CVCs; Mean % annual incidence ± Std Dev	CRBSI CVCs; Mean % annual incidence ± Std Dev	P value
All staphylococci (CNS, MSSA, MRSA)	69.2±8.0	69.7±16.22	0.9
CNS	59.2±4.5	57.5±11.4	0.6
MSSA	1.7±1.3	1.0±1.9	0.3
MRSA	8.3±6.8	11.1±11.6	0.5
Gram-negative Bacilli	11. 8±6.3	12.2±8.9	0.9
Fungi	5.7±2.8	6.1±4	0.8
Enterococci	2.4±1.7	0.8±1.9	0.04
Polymicrobial	10.8±4.9	11.2±8.5	0.9