Value of Time to Positivity of Blood Culture in Children with Bloodstream Infections

Table 1

TTP of 808 blood culture positive strains.

Microorganisms	Number of strains	Proportion (%)	Average of TTP	Minimum TTP	Maximum TTP
Gram negative	145	17.9	17.61 ± 9.69	3.23	68.63
K. pneumoniae	68		16.29 ± 9.02	3.23	60.23
E. coli	26		15.60 ± 7.36	9.05	38.67
P. aeruginosa	12		20.40 ± 5.59	5.77	27.05
A. baumannii	11		19.45 ± 11.92	9.48	44.67
Other negative	28		20.93 ± 12.74	7.80	68.63
Gram positive	636	78.7	33.84 ± 14.19	4.28	92.73
CoNS++	87		33.91 ± 10.42	9.91	70.22
CoNS+	413		37.51 ± 14.04	13.68	92.73
S. aureus	29		23.44 ± 8.79	12.30	46.57
Enterococcus	53		23.54 ± 9.43	8.40	44.93
Streptococcus	39		17.34 ± 8.18	4.28	45.07
Other positive	15		30.63 ± 15.19	12.77	63.65
Fungi
Candida spp.	27	3.3	35.68 ± 14.93	14.10	82.25
Total	808		30.97 ± 14.89	3.23	92.73

TTP: time to positivity; CoNS: coagulase-negative Staphylococcus.