Table 2.

Catheter-associated bloodstream infection frequencies

	Duration of use, daysMean ± SD	p	Frequency n (%)	p	Per 1000 catheter days
Central venous catheter (n = 885)	13.82 ± 7.13	<0.001	70 (7.9%)	0.013	5.7
Hemodialysis catheter (n = 315)	8.14 ± 5.96		12 (3.8%)		4.7
Femoral vein catheter (n = 269)	10.88 ± 6.94	<0.001	20 (7.4%)	0.716	6.8
Subclavian vein catheter (n = 96)	14.43 ± 7.43		8 (8.3%)		5.8
Internal jugular vein catheter (n = 835)	12.55 ± 7.30		54 (6.5%)		5.2
Without ultrasonographic guidance (n = 663)	12.46 ± 7.12	0.464	52 (7.8%)	0.123	6.3
With ultrasonographic guidance (n = 537)	12.15 ± 7.49		30 (5.6%)		4.6