TABLE 2.

Laboratory turnaround time for the most common organisms

Major organism	No. (%) of isolates	Turnaround time (days) (median [IQRa])
		Gram stain (n = 8,024)	Organism identification (n = 8,383)	Antimicrobial test (n = 5,054)
Bacteria	6,412 (76.5)	0.80 (0.64–1.08)	1.81 (1.34–2.46)	2.71 (2.46–2.99)
Gram positive
Staphylococcus aureus	2,690 (32.1)	0.89 (0.72–1.20)	1.62 (1.00–1.95)	2.79 (2.55–3.10)
Streptococcus agalactiae, S. pneumoniae, S. pyogenes	688 (8.2)	0.67 (0.59–0.79)	1.50 (0.80–1.78)	2.68 (2.45–2.90)
Enterococcus faecalis, E. faecium	567 (6.8)	0.82 (0.69–1.07)	1.62 (0.87–1.99)	2.90 (2.62–3.20)
Gram negative
Escherichia coli	1,618 (19.3)	0.70 (0.58–0.97)	2.45 (1.91–2.73)	2.61 (2.37–2.86)
Klebsiella pneumoniae	462 (5.5)	0.77 (0.61–1.13)	2.44 (1.92–2.77)	2.57 (2.26–2.84)
Pseudomonas aeruginosa	202 (2.4)	0.82 (0.65–1.18)	1.96 (1.57–2.61)	2.67 (2.51–2.88)
Proteus mirabilis	185 (2.2)	0.95 (0.81–1.37)	2.14 (1.79–2.81)	2.83 (2.63–3.00)
Fungi
Candidab	516 (6.2)	1.98 (1.38–2.87)	3.76 (2.84–5.10)	NAc
Polymicrobial	1,455 (17.4)	0.99 (0.74–1.48)	1.69 (1.09–2.34)	3.10 (2.70–3.89)
Overall	8,383 (100.0)	0.85 (0.66–1.27)	1.83 (1.34–2.55)	2.76 (2.49–3.12)

^aIQR, interquartile range.

^bCandida species with the highest frequencies included C. albicans, C. krusei, C. parapsilosis, and C. tropicalis.

^cNA, not available.