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Table 4 Set processing times for cohorts with the current practice and following the introduction of the 4S program

From: Improving perioperative management of surgical sets for trauma surgeries: the 4S approach

Set processing time in minutes, median (range)

A: Current practice (n = 30)

B: Following introduction of the 4S program (n = 30)

p valuea

Overall turnover time

48.6 (16.3–94.1)

39.4 (9.6–70.8)

0.014

In operating room

22.1 (3.9–49.4)

17.5 (6.4–28.0)

0.040

In sterilization department

12.3 (1.9–42.0)

8.4 (3.2–30.0)

0.005

In purchasing department

12.6 (0.0–23.9)

11.8 (0.0–31.5)

0.842

  1. aKruskal-Wallis rank sum test