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Table 5 Mean value of times in the two study periods. First quartile, median and third quartile are reported in brackets

From: Identification by mass spectrometry and automated susceptibility testing from positive bottles: a simple, rapid, and standardized approach to reduce the turnaround time in the management of blood cultures

Times (in hours)

Standard method

New procedure

Total

GPa

GNa

Total

GP

GN

Time to positivity

16.0

17.9

14.1

16.1

18.9

13.3

(10.1–14.0-19.1)

(12.1–17.0-22.1)

(10.0–12.0-15.0)

(11.0–13.0-18.1)

(12.1–16.1-22.0)

(10.0–11.1-14.0)

Processing time

67.1

67.7

66.3

45.3

47.0

43.4

(52.8–61.2-78.5)

(52.0–59.2-76.2)

(54.6–62.8-83.4)

(31.7–37.7-51.8)

(30.9–37.5-51.9)

(31.9–37.8-51.3)

Intra-laboratory TAT

83.1

85.6

80.4

61.4

65.9

56.7

(69.3–74.7-93.8)

(69.2–74.8-89.7)

(69.5–74.5-95.6)

(47.6–51.4-72.5)

(48.6–59.8-73.1)

(44.6–50.5-65.6)

  1. aGP: Gram-positives; GN: Gram-negatives