Table 2

Central line-associated bloodstream infections and rates and practice adherence stratified by year and ICU characteristics

All VA ICUs	FY2006	FY2007	FY2008	FY2009
CLABSI infection rate	3.85	3.18	2.50	1.80
Line days	177 058	214 604	216 818	224 693
CLABSI infections	681	683	543	404
CLABSI audits	7822	13 315	13 554	16 130
Central line utilisation	31.8	42.2	42.9	39.2
Practice adherence (began April 2006)
Hand hygiene	95.4	97	98.2	98.2
Cap worn	91.6	95.4	97	97.8
Bed-sized drape	88.1	93.7	95.8	97.1
Chlorhexidinegluconate skin prep	93.5	97.5	98.5	98.4
Femoral site	18.4	17.1	16.2	12.2
Sterile gloves worn	96.9	98.2	99.1	98.6
Sterile gown worn	95.8	97	98.2	98.3
By level of complexity of ICU
CLABSI infection rate (year)
Level 1	3.79	3.14	2.61	1.80
Level 2	4.37	3.78	2.42	2.11
Level 3	3.82	2.89	2.07	1.40
Level 4	1.96	1.63	0.64	1.55
Number of line days
Level 1	132 790	159 351	164 321	165 221
Level 2	24 952	29 373	28 120	32 758
Level 3	16 767	22 821	21 247	23 489
Level 4	2549	3059	3130	3225
Number of CLABSI infections
Level 1	503	501	429	297
Level 2	109	111	68	69
Level 3	64	66	44	33
Level 4	5	5	2	5
Number of audits
Level 1	4919	8498	8887	10 826
Level 2	1349	2499	2222	2575
Level 3	1348	1903	2054	2290
Level 4	206	415	391	439
By type of ICU
CLABSI infection rate (year)
Mixed ICU	3.65	2.82	2.42	1.68
CCU	4.53	2.37	1.89	1.68
MICU	4.24	3.85	2.71	2.01
SICU	3.40	2.91	2.37	1.87
MICU/CCU	4.58	4.04	2.85	1.82
Number of line days
Mixed ICU	53 393	70 302	67 781	77 251
CCU	5519	8447	8975	8911
MICU	18 397	20 764	21 062	18 403
SICU	62 870	70 548	71 010	68 931
MICU/CCU	36 879	44 543	47 990	51 197
Number of CLABSI infections
Mixed ICU	195	198	164	130
CCU	25	20	17	15
MICU	78	80	57	37
SICU	214	205	168	129
MICU/CCU	169	180	137	93
Number of audits
Mixed ICU	2999	5128	4874	5387
CCU	296	591	642	895
MICU	882	1269	1424	1894
SICU	1876	2904	2987	3987
MICU/CCU	1769	3423	3627	3967

CCU, cardiac care unit; CLABSI, central line-associated bloodstream infections; ICU, intensive care unit; level, the complexity of ICU services available; MICU, medical intensive care unit; MICU/CCU, medical intensive/cardiac care unit; SICU, surgical intensive care unit; VA, Veterans Administration.