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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