Table 2.

Comparison of neonatal patients with false-positive and negative surveillance cultures for VRE

Demographic characteristic	False positive (n = 55)		Negative (n = 353)		Pd
	n or median	% or range	n or median	% or range
Female	19	35	153	43	0.219
Age at testing	6 wks	4 days to 20 wks	3 wks	0 days to 24 wks	<0.001*
Birth wt (g)					0.683
< 1,000	5	9	47	13
1,000–2000	22	40	134	38
>2,000	28	51	172	49
Preterm	41	75	259	73	0.854
Nutrition at testing
Breast milk	41	75	305	86	0.023*
Similac Special Carea	16	29	119	34	0.498
Similac Special Care 24 High Protein	1	2	15	4	0.388
Similac Expert Careb			61	17	0.001*
Similac Expert Care Neosure	16	29	27	7	<0.001*
Similac Advance Early	19	36	114	32	0.741
Neocate Infant with DHA + ARAc	1	2	3	1
Isomil soy			1	<1
Pregestimil LIPIL	1	2	3	1
Total parenteral nutrition + fat emulsion 20% infusion	3	5	36	10	0.266

^aIncludes Similac Special Care 20-cal/oz, 24-cal/oz, or 30-cal/oz formulations.

^bIncludes Similac Expert Care 24 cal with iron or alimentum formulation.

^cNeocate Infant with (DHA) decosohexanoic acid plus (ARA) arachadonic acid.

^d*, P ≤ 0.05.