Table 3 Factor loadings of additional scale about the difficulty using delirium screening tools (N = 198)

1. It is difficult to evaluate delirium using delirium screening tools, B1

0.735

2. It is difficult to interpret and respond if the results of delirium screening tools do not match the nurse’s assessment, B2

0.754

3. It is difficult to trust the results of delirium screening tools, because different evaluators have different results, even if the patient’s situation remains similar, B3

0.781

α = 0.747

4. It is difficult to utilize the results of delirium screening tools for effective delirium patient management, B4

0.766