TABLE 1.

Association of the magnitude of bacteremia with meningitis in infants and children

Bacterium	No. of patients	CFU/ml of blood	No of patients with meningitis/total no. (percent)	Reference
E. coli	30	<1,000	1/19 (5)	10
		>1,000	6/11 (55)
S. pneumoniae	24	≤100	1/20 (5)	5
		>100	3/4 (75)
	33	<500	1/30 (3)	45
		≥500	3/3 (100)
H. influenzae type b	34	<100	2/12 (17)	45
		≥100	11/22 (50)
	26	≤100	7/11 (63)	5
		>100	11/15 (73)
N. meningitidis	35	<500	7/22 (32)	44
		≥500	8/13 (62)
	12	<1,000	5/8 (63)	45
		≥1,000	1/4 (25)