Table 1.

Description of participating hospitals and adult ICUs

Hospital characteristics (n=632)	Value
Number of hospital beds, mean (SD)	243.6 (214.7)
Affiliated with a medical school, n (%)	237 (37.5)
Electronic surveillance system, n (%)	248 (39.2)
IP full-time equivalents per 100 beds, mean (SD)	1.14 (1.14)
HE full-time equivalents per 100 beds, mean (SD)	0.18 (0.49)
ICU characteristics (n=984)
Number of ICU beds, mean (SD)	14.0 (8.3)
ICU type, n (%)
Medical	214 (21.7)
Medical/Surgical	511 (51.9)
Surgical	218 (22.2)
Other	41 (4.2)
Number of CLABSIs, mean (SD)	3.44 (4.78)
Number of central line days, mean (SD)	3,285 (2,980)
CLABSIs/1000 central line days, mean (SD)	0.96 (1.29)

Notes: Medical ICU types include: Medical, Medical cardiac, Neurologic, Respiratory; Surgical ICU types include: Neurosurgical, Surgical, Surgical cardiothoracic; Other ICU types include: Burn, Trauma; ICU = intensive care unit; SD = standard deviation; IP = infection preventionist; HE = hospital epidemiologist; CLABSI = central line-associated bloodstream infection