Table 1. Patient Demographics.

	1997–2001	2002–2006	p values
Eligible Infants	735	766
Included FWLS Infants	307	361
Male/Female	169/138	211/150	0.61
0–30d	104	97	0.05
31–60d	134	151	0.64
61–90d	69	113	0.01
HR/LR	178/129	204/157	0.70
Blood Cx performed *	307	361
UCx performed	259	321	0.08
LP Performed	233	235	0.002

*initial inclusion criteria so by definition encompasses all subjects.