TABLE 1.

Clinically significant microorganisms detected in index positive blood cultures and cumulative percentages of positive results called to the attention of patient care providers within 24, 48, and 72 h

Organism (no.)% called in less than:
24 h48 h72 h
Staphylococcus aureus (182)629398
Escherichia coli (153)759298
Coagulase-negative staphylococci (111)319299
Enterococcus spp. (103)759699
Klebsiella pneumoniae (62)829698
Pseudomonas aeruginosa (50)549698
Streptococcus pneumoniae (41)7897100
Alpha-hemolytic streptococci (19)7995100
Candida albicans (19)55389
Enterobacter cloacae (18)618994
Proteus mirabilis (14)78100100
Group B streptococci (12)83100100
Serratia marcescens (11)6473100
Bacteroides fragilis (10)05070
Klebsiella oxytoca (10)507080
Candida glabrata (8)02575
Yeast, unspeciated (6)1767100
Beta-hemolytic streptococci (5)60100100
Clostridium perfringens (5)100100100
Candida tropicalis (4)0100100
Clostridium spp. (4)05050
Diphtheroids (4)50100100
Bacillus spp. (3)67100100
Group A streptococci (3)67100100
Enterobacter aerogenes (3)336666
Lactobacillus spp. (3)3366100
Other (54)376794
Gram-positive group (507)599398
Gram-negative group (346)699197
Anaerobe group (25)205276
Yeast group (39)55187
Total (917)609097