TABLE 1.

VAP rates stratified by birth weight^a

Study	Source	Range (median) of VAP rates by birth weight (g) of:
		≤1,000	1,001-1,500	1,501-2,500	>2,500
NNISb	86-102 high-risk nurseries	0.0-8.5 (2.4)	0.0-8.0 (0.0)	0.0-6.1 (0.0)	0.0-3.2 (0.0)
Stoverc	12 NICUs	0.0-21.2 (3.5)	0.0-34.5 (4.9)	0.0-13.7 (1.1)	0.0-6.0 (0.9)

^aRange given is the 10th to 90th percentile for NNIS data.

^bSee reference 68.

^cSee reference 88.