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. 2005 Jan;43(1):445–447. doi: 10.1128/JCM.43.1.445-447.2005

TABLE 3.

Comparative time to positivity of clinically significant bacteria and fungi when both aerobic PF (glass) and PPF (plastic) culture bottles were positive within 72 h

Microorganism(s) No. of isolates Mean time to positivity (h)
PF PPF
Staphylococcus aureus 9 23.2 25.6
Coagulase-negative staphylococci 57 29.4 27.8
Streptococcus spp.a 7 17.1 19.0
Enterococcus spp. 29 11.1 11.2
Bacillus cereus 1 8.7 8.0
Enterobacteriaceaeb 30 9.5 10.8
Other gram-negative bacteriac 22 17.3 17.5
Yeastsd 35 29.2 27.9
All microorganisms 190 21.2 20.8
a

Includes viridans group streptococci (n = 4), Streptococcus pneumoniae (n = 1), Streptococcus pyogenes (n = 1), and Streptococcus bovis (n = 1).

b

Includes Klebsiella pneumoniae (n = 11), Escherichia coli (n = 7), Serratia marcescens (n = 4), Enterobacter cloacae (n = 4), Enterobacter aerogenes (n = 2), Klebsiella oxytoca (n = 1), and Citrobacter koseri (n = 1).

c

Includes Rhizobium radiobacter (n = 6), Burkholderia cepacia (n = 3), Pseudomonas sp. (n = 3), Acinetobacter baumanii (n = 3), Pseudomonas aeruginosa (n = 2), Stenotrophomonas maltophilia (n = 2), Aeromonas hydrophila (n = 2), and Acinetobacter sp. (n = 1).

d

Includes Candida parapsilosis (n = 9), Candida krusei (n = 7), Candida lipolytica (n = 7), Candida tropicalis (n = 6), Candida albicans (n = 5), and Candida lusitaniae (n = 1).