highly significantp < 0.01
The changes compared to the pre-COVID status were all highly significant ( p < 0.01) (Fig. 5 B).
The changes compared to the pre-COVID status were all highly significant ( p < 0.01) (Fig. 5 B).
However, there was an observed trend towards increased preoperative presence times of the OR nurses until the first incision, increasing from a median of 18 min in 2019 ( n = 40) to 25 min in 2022 ( n = 27).