TABLE 5.

Comparative yields of microorganisms in Plus Anaerobic/F versus Standard Anaerobic/F bottles paired with Plus Aerobic/F bottles from patients on therapy

Episode	No. of episodes detected bya:			P
	Both sets	Plus sets only	Standard sets only
Gram-positive bacteria
Staphylococcus aureus	21	23	1	<0.001
Coagulase-negative staphylococci	12	8	0	<0.02
Other gram-positive bacteriab	11	7	4	NSc
Gram-negative bacteria
Enterobacteriaceaed	5	8	1	<0.05
Other gram-negative bacillie	1	0	0	NS
Anaerobic bacteriaf	2	5	5	NS
Yeastsg	11	1	0	NS
All microorganisms	63	52	11	<0.001

^aPlus sets consisted of a Plus Aerobic/F and Plus Anaerobic/F bottles; Standard sets consisted of Plus Aerobic/F and Standard Anaerobic/F bottles. 

^bIncludes 10 Enterococcus faecalis isolates, 4 group B streptococci, 2 Enterococcus faecium isolates, 2 Enterococcus durans isolates, 1 viridans group streptococcus, 1 group A streptococcus, and 1 Bacillus sp. 

^cNS, not significant (P > 0.050). 

^dIncludes four Escherichia coli, four Klebsiella pneumoniae, and three Serratia marcescens isolates and one isolate each of Citrobacter diversus, Enterobacter aerogenes, and Proteus mirabilis. 

^eIncludes one Pseudomonas aeruginosa isolate. 

^fIncludes four Clostridium septicum isolates, four Bacteroides thetaiotaomicron isolates, one Bacteroides fragilis isolate, one Bacteroides fragilis group isolate, one Bacteroides sp., and one Fusobacterium sp. 

^gIncludes four Candida parapsilosis, three Candida tropicalis, two Candida albicans, and two Candida glabrata isolates and one Histoplasma capsulatum isolate.